# Cow (*Bos taurus*)

Cows are large farm animals that give us milk. They are gentle grazers and love eating grass in fields.

- **Category:** [Mammals](https://www.snappit.app/explore/categories/mammal)
- **Rarity:** Common
- **Danger:** 3/5 · Moderate
- **Habitat:** Farms and grassy fields.
- **Also known as:** Beef Cattle

![Cow](https://res.cloudinary.com/drieglelr/image/upload/v1771424226/objects/4369.jpg)

## Appearance

The Cow is a large, sturdy mammal, typically with a thick coat that can be solid white, black, brown, or spotted. It has a prominent snout and often two short, curved horns, though many breeds are naturally hornless. Its long tail usually ends in a tuft.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Chordata
- **Class:** Mammalia
- **Order:** Artiodactyla
- **Family:** Bovidae
- **Genus:** Bos

## Cow, up close

Cows are domestic cattle (Bos taurus), tamed from the wild aurochs about 10,500 years ago and now kept worldwide for milk, meat, leather and work. There are about 1.58 billion cattle and more than 1,000 breeds. Strictly, a cow is an adult female that has had a calf; the species as a whole is called cattle.

Also called: Cattle, Domestic cattle, Taurine cattle, Bovine, Dairy cow, Beef cattle, Kine (old plural).

330° vision, a stomach that ferments grass with trillions of microbes, and a moo as personal as a name tag. Spin her, tap her, then test yourself.

### Special abilities

- **Panoramic Vision** (330° field of view): Sees almost all the way around without turning its head, except for a blind spot right behind its tail. [3][4]
  - Only the 25–50° straight ahead is seen with both eyes. That's the 3D zone for judging distance.
  - This is why you should never walk up directly behind a cow: she can't see you coming.
- **Cud Recycler** (≈7 h of cud-chewing a day): Swallows grass quickly, then burps soft balls of it back up to chew again, for hours every day. [12][13]
  - Studies find anywhere from 2.5 to 10.5 hours of rumination a day.
  - Grazing alone takes about 40,000 jaw movements a day.
- **Microbe Super-Gut** (50–500 bn bacteria in one teaspoon): A giant fermenting stomach, packed with microbes, turns tough grass into cow power. [1][2][14]
  - It's one stomach with four compartments, not four stomachs.
  - Microbes supply 50–70% of the cow's energy, and the cow digests the microbes too.
- **Squeak Radar** (35 kHz highest pitch heard): Hears high squeaks you can't: up to about 35,000 Hz, compared with your 20,000. [6][4]
  - Shrill noises frighten cattle, so good handling is quiet handling.
- **Night Eyeshine** (Tapetum mirror layer in each eye): A reflective layer behind the retina bounces light back through the eye, boosting night vision and making eyes glow in a flashlight. [8]
- **Voice ID** (68% of moos matched to the right cow (chance: 7.7%)): Every cow has her own voice. In a 2019 study, scientists matched moos to the right heifer far above chance. [9][47]
  - Mothers and calves recognise each other's calls.
- **Nose-Print ID** (≈97% AI match accuracy): No two cow noses are alike. The ridges on the muzzle are as unique as fingerprints, and AI can now read them. [10]
- **Mega Drinker** (≤155 L water a day (high-milk cow)): A cow making lots of milk can drink well over 100 litres of water a day. That's about a bathtub. [15]
  - Dry (non-milking) cows need far less: about 34–49 litres a day.
- **Compass Cow?** (8,510 cattle checked in satellite photos; still debated): A 2008 study of satellite photos found grazing cattle tend to line up north–south. A 2011 team found no such pattern, and a 2013 follow-up backed the first. Case still open! [16][17][18]

### Body parts

- **Eyes** (330° field of view) [3][4][5][8]
  - Eyes on the sides of the head give a near-panorama of about 330°. Only 25–50° straight ahead is seen with both eyes, so judging depth is hard.
  - Cows have two kinds of colour cones, not three like you. Reds and greens look alike to them.
  - Sudden shadows and flashes of light can stop a herd in its tracks. Calm handlers wait for the leader to cross first.
  - A mirror-like layer behind the retina (the tapetum) helps in dim light and makes cow eyes glow in a flashlight.
- **Ears** (35,000 Hz highest pitch heard) [6][4][7][64]
  - Cows hear from about 23 Hz up to 35,000 Hz. People top out near 20,000 Hz.
  - High-pitched noises are especially stressful. Once upset, cattle can need 20–30 minutes to calm down.
  - They are poor at pinpointing sounds: cattle need about 30° of difference to tell where a noise comes from, while people need less than 1°.
  - Ears are a mood meter. Loose, hanging ears usually mean a relaxed cow.
- **Nose** (≈97% AI nose-print match accuracy) [10][11][3]
  - The ridges on every cow's muzzle form a nose print as individual as your fingerprint. Farmers have used them for ID since the 1920s.
  - Cattle are keen sniffers. They can smell stress signals in other cattle's urine.
  - The flehmen lip curl pushes interesting smells to a special scent organ in the roof of the mouth.
- **Mouth & teeth** (40,000+ jaw moves a day while grazing) [1][13][61][3]
  - No upper front teeth! The bottom front teeth press against a tough dental pad on top.
  - The tongue wraps around grass and pulls to tear it, for 25,000 to more than 40,000 bites a day.
  - Adults have 32 teeth: 8 at the front of the lower jaw and 24 big grinding cheek teeth.
  - About 20,000 taste buds help a cow choose what to eat.
- **Super stomach** (≈150 L rumen capacity) [1][2][14]
  - One stomach, four rooms: rumen, reticulum, omasum and abomasum. The rumen and reticulum make up 84% of it.
  - The rumen can hold up to about 150 litres, roughly 15 big buckets.
  - One teaspoon of rumen fluid holds 50–500 billion bacteria, up to 60 times the number of people on Earth.
  - Those microbes supply 50–70% of the cow's energy.
- **Heart & body heat** (48–84 beats per minute at rest) [60][24][33]
  - A resting dairy cow's heart beats 48–84 times a minute.
  - Normal body temperature is 38.0–39.3 °C, warmer than yours (about 37 °C).
  - Cows tend to stand up when their body temperature rises and lie down when they are cooler. It has nothing to do with rain.
- **Udder** (≈30 kg milk a day (US average)) [40][20][36]
  - Four teats, each with its own milk gland. Farmers call them quarters.
  - Like every mammal, a cow makes milk after giving birth.
  - The average US dairy cow gave about 24,400 lb of milk in 2025, about 30 kg a day.
  - Record holder Smurf made 216,891 kg of milk in her lifetime.
- **Hooves** (2 toes per foot) [40][41][42]
  - Cattle walk on two toes per foot, the 3rd and 4th digits. That split is the cloven hoof.
  - When a back foot lands, almost all the force goes onto the outer claw.
  - Cows spend 8–12 hours a day lying down to rest.
- **Tail** (Fly swatter built in) [62][63]
  - A tail is a cow's fly swatter. In one study, cows with docked tails had more flies on their back legs.
  - Short swishes toward the body are usually about flies. A tail wagging hard while she's being brushed means she's enjoying it.
  - A tail hanging still is common when a cow waits calmly, for example in the queue for milking.
- **Head & horns** (Both sexes can grow horns) [43][44][45][46]
  - Horns don't tell you it's a bull: in horned breeds, cows and bulls both grow them.
  - Hornless (polled) is a dominant gene. Angus cattle are naturally hornless.
  - Cows can tell familiar from unfamiliar cattle from photos of their faces alone.
  - They can also recognise familiar human faces and match them to voices.

### Stats

| Stat | Value | Notes |
|---|---|---|
| Weight | 624 kg | average Holstein cow (study of 2,791 cows); ≈ 20 ten-year-olds [19] |
| Height | ≈1.5 m | at the shoulder (Holstein); Taller than most 10-year-olds [19][48] |
| Hearing | 35 kHz | top of the hearing range [6] |
| Food | 24 kg | of dry feed a day (milking Holstein); Plus all the water in fresh grass [19] |
| Water | 70–155 L | a day for a milking cow; Up to about a bathtub [15] |
| Milk | ≈30 kg | a day (US average, 2025); ≈ 115 glasses [20] |
| Pregnancy | ≈280 days | Holstein average 279 days; Almost exactly as long as a human pregnancy [21] |
| Body heat | 38–39.3 °C | normal for a dairy cow [24] |
| On Earth | 1.58 billion | cattle in 2024; About 1 for every 5 people [22] |
| Breeds | 1,000+ | breeds worldwide; 184 breeds have already gone extinct [40][23] |

### Photos

- [Holstein Friesian in Dundee, Quebec](https://commons.wikimedia.org/wiki/File:Holstein-Friesian_in_Dundee%2C_Quebec.jpg) (photo: Hayden Soloviev, CC BY 4.0)
- [Jersey cow on the island of Jersey](https://commons.wikimedia.org/wiki/File:Bou%C3%ABts_d'J%C3%A8rri_%C3%8Agypte_5_J%C3%A8rri_Mai_2009.jpg) (photo: Man vyi, Public domain)
- [Angus bull on a Delaware farm](https://commons.wikimedia.org/wiki/File:An_Angus_bull_meanders_along_on_a_field_on_a_Delaware_farm_on_July_7%2C_2008_20120106-OC-AMW-0243.jpg) (photo: Alice Welch, U.S. Department of Agriculture, Public domain)
- [Hereford cow in Souris, Prince Edward Island](https://commons.wikimedia.org/wiki/File:Hereford_cow%2C_Souris%2C_Prince_Edward_Island.jpg) (photo: Hayden Soloviev, CC BY 4.0)
- [Highland cow on Pupers Hill, Dartmoor](https://commons.wikimedia.org/wiki/File:Cow_on_Pupers.jpg) (photo: Nilfanion, CC BY-SA 3.0)
- [Brahman bull at a show in Avaré, Brazil](https://commons.wikimedia.org/wiki/File:Brahman_(EMAPA)_110307_REFON_2.jpg) (photo: José Reynaldo da Fonseca, CC BY 2.5)
- [Texas Longhorn cow near Houston](https://commons.wikimedia.org/wiki/File:Texas_Longhorn_cow.jpg) (photo: Ed Schipul, CC BY-SA 2.0)
- [Resting is part of the job: cows lie down 8–12 hours a day. Fleckvieh cow near Oeschinen Lake, Switzerland.](https://commons.wikimedia.org/wiki/File:Cow_(Fleckvieh_breed)_Oeschinensee_Slaunger_2009-07-07.jpg) (photo: Kim Hansen, CC BY-SA 3.0)
- [A calf nursing. Calves drink their mother's milk until weaning at around 8–11 months.](https://commons.wikimedia.org/wiki/File:Allattando.jpg) (photo: Albarubescens, CC BY-SA 4.0)

### Questions

- **Do cows have four stomachs?** No. A cow has one stomach with four compartments: the rumen, reticulum, omasum and abomasum. The rumen and reticulum make up about 84% of it, and the rumen alone can hold up to about 150 litres. [1]
- **How far around can a cow see?** About 330°, because its eyes sit on the sides of its head. Only 25–50° straight ahead is seen with both eyes, and there is a blind spot directly behind the cow. [3][4]
- **Why do cows chew all day?** Cows are ruminants. They swallow grass quickly, then bring it back up as cud and chew it again. Dairy cows spend about 7 hours a day chewing cud, and grazing alone takes about 40,000 jaw movements a day. [12][13]
- **Do bulls really hate the colour red?** No. Cattle are red–green colour-blind. A bull reacts to the movement of the cape, not its colour. [5][3]
- **How much water does a cow drink a day?** A milking cow drinks about 70–155 litres of water a day, depending on how much milk she makes. A dry cow drinks about 34–49 litres. [15]
- **Can cows recognise each other's voices?** Yes. Each cow has her own voice: in a 2019 study scientists matched calls to the right heifer far more often than chance, and mothers and calves recognise each other's calls. [9][47]
- **When were cows domesticated?** About 10,500 years ago in the Near East, from the wild aurochs. Humped zebu cattle were domesticated separately in South Asia. [25][27]

### Cow myths and facts

Tap Myth or Fact for each claim, then check the answer.

- "Cows have four stomachs." **Myth!** It's one stomach with four compartments: rumen, reticulum, omasum and abomasum. [1]
- "Bulls charge because they hate the colour red." **Myth!** Cattle are red–green colour-blind. It's the cape's movement that gets their attention. [5][3]
- "No two cows have the same nose print." **Fact!** Muzzle ridges are as individual as fingerprints, and AI can match them about 97% of the time. [10]
- "Cows lie down when rain is coming." **Myth!** Lying down follows body temperature: in a study of 157 cows, they stood when warmer and lay down when cooler. [33]
- "Every cow has her own voice." **Fact!** A 2019 study matched moos to the right heifer far more often than chance. [9]
- "Cows sleep standing up." **Mostly myth!** Deep sleep happens lying down, often with the head resting against the side of the body. [42][49]
- "Only bulls have horns." **Myth!** In horned breeds, cows grow horns too. Some breeds, like Angus, are naturally hornless. [43][44]
- "A cow can see almost all the way around itself." **Fact!** About 330°, with one blind spot directly behind. [3]

### Cow world records

Record holders confirmed by Guinness World Records.

- Oldest cow ever: Big Bertha, 48 yrs 9 mo (County Kerry, Ireland · died 1993) [29]
- Tallest cow ever: Blosom (Holstein), 1.90 m (Illinois, USA · 2014) [32]
- Tallest steer ever: Fiorino (Chianina), 2.05 m (Italy · 2007) [34]
- Widest horns: Poncho Via (Texas Longhorn), 3.24 m (tip to tip · Alabama, USA · 2019) [35]
- Most milk in a lifetime: Smurf (Holstein), 216,891 kg (Ontario, Canada) [36]
- Shortest cow ever: Blaze (miniature zebu), 69.07 cm (2013) [37]
- Most tricks in a minute: Ghost, 10 tricks (2023) [38]
- Longest hair (breed): Highland cattle, ≈35 cm (average hair length) [39]

### History of cattle

From the wild aurochs to 1.58 billion cattle today.

- **Ice Age – 1600s**: The mighty aurochs. Cattle's wild ancestor: bulls stood up to 1.8 m at the shoulder, with horns up to 80 cm long. [26]
- **≈10,500 years ago**: Tamed in the Near East. Early farmers domesticated aurochs. DNA suggests modern taurine cattle trace back to as few as about 80 wild females. [25]
- **8,000–10,000 years ago**: The humped zebu. Zebu cattle were domesticated separately, most likely in the Indus Valley. [27]
- **≈4,200 years ago**: Drought spreads zebu genes. During a centuries-long drought, zebu bulls' heat-tough genes spread across the Near East. [28]
- **1493**: Across the Atlantic. Columbus's second voyage brought the first cattle to the Americas, landing on Hispaniola. [30]
- **1627**: The last aurochs. The last known aurochs, a cow, died in Jaktorów Forest, Poland. [26]
- **2009**: Genome decoded. Scientists published the cow genome: at least 22,000 genes. [31]
- **2024**: 1.58 billion cattle. About one for every five people on Earth. [22]

### Calf, heifer, bull or steer?

Horns won't tell you who's who: both sexes can have them. Look for these clues instead.

- **Calf**: A youngster, until it's weaned at around 8–11 months.
- **Heifer**: A young female that hasn't had a calf yet.
- **Cow**: A female that has had a calf. Look for the udder.
- **Bull**: An adult male used for breeding. Usually big, with a thick neck.
- **Steer**: A castrated male, usually raised for beef.
- **Ox**: Cattle trained to pull carts or ploughs, usually steers.

### Cows and climate

Numbers vary with farm, diet and method. Researchers are working on better feeds, breeding and manure handling.

- **≈100 kg** of methane a year per cow. Most of it is burped out. It's made by archaea, one kind of microbe living in the rumen. [57][14]
- **≈12%** of human-made greenhouse gas comes from livestock. Cattle are about 62% of that, according to the UN's FAO (2015 data). [58]
- **45–68%** less methane in a seaweed trial. In a 2021 study, a pinch of red seaweed (Asparagopsis) in the feed cut steers' methane. Scientists are still checking long-term safety and how to feed it to cows on pasture. [59]

### Speak Cow

- Ears hanging down or back: Relaxed: common when resting, grazing or being stroked. [64]
- Ears up and pointing forward: Alert: she's checking something out, excited or worried. [64]
- White of the eye showing: Very worked up: scared, frustrated or over-excited. Give her space. [64]
- Tail wagging hard while brushed: Loving it! Cows push a heavy gate as hard to reach a brush as to reach fresh food. [63][51]
- Tail hanging still: Calm waiting, like standing in the queue for milking. [63]
- Low, closed-mouth moo: Close-up chat, like a mother talking to her nearby calf. [9][52]
- Loud, open-mouth moo: Long-distance call: missing the herd or her calf, or waiting for food. [9][52]
- Standing up on a hot day: Cooling down. Cows tend to stand when their body temperature rises. [33]

### Breeds

- **Holstein**: Black-and-white patches (sometimes red-and-white). The classic dairy cow. (Dairy · the most common dairy breed) [48]
- **Jersey**: Small and fawn-brown, with big dark eyes and a pale ring around the muzzle. (Dairy · rich, creamy milk) [53]
- **Angus**: Solid black (or red) and naturally hornless. (Beef) [44]
- **Hereford**: Red body with a bright white face, chest and belly. (Beef) [54]
- **Highland**: Long shaggy coat, a fringe over the eyes and wide horns on both sexes. (Beef · built for Scottish winters) [39][55]
- **Brahman**: Shoulder hump, a big neck flap and long droopy ears. (Beef · heat-tough zebu) [50]
- **Texas Longhorn**: Enormous horns that can span more than 2.4 m tip to tip. (Beef · living history) [56]

### Cow quiz

1. How many stomachs does a cow have? **One, with four compartments.** Rumen, reticulum, omasum and abomasum are all parts of one stomach. [1]
2. About how wide is a cow's field of view? **330°.** Side-set eyes give a near-panorama, with one blind spot behind. [3]
3. Where is a cow's blind spot? **Directly behind it.** That's why handlers never walk up straight behind a cow. [4]
4. Cows can hear sounds up to about… **35,000 Hz.** Higher than people (about 20,000 Hz), so squeaky sounds can scare them. [6]
5. About how many hours a day does a dairy cow chew cud? **7.** A big review found about 7 hours a day, with a range of 2.5–10.5. [12]
6. What's missing from the top front of a cow's mouth? **Upper front teeth.** The lower teeth press against a hard dental pad instead. [1]
7. Which tiny gut helpers make a cow's methane? **Archaea.** Archaea are the only rumen microbes that make methane. [14]
8. Cattle were tamed from which wild animal? **Aurochs.** The aurochs was a huge wild ox. The last one died in Poland in 1627. [25][26]
9. About how long ago were cattle first domesticated? **10,500 years.** In the Near East, possibly from only about 80 wild females. [25]
10. Which breed has a hump on its shoulders? **Brahman.** Brahman are zebu cattle, with a hump, a big neck flap and droopy ears. [50]
11. Which cow holds the record for oldest cow ever? **Big Bertha.** Big Bertha of County Kerry, Ireland, lived 48 years and 9 months. [29]
12. How long is a cow pregnant? **About 9 months.** About 280 days, almost exactly as long as a human pregnancy. [21]

### Sources (checked 2026-10-15)

1. [Mississippi State Extension: Understanding the ruminant digestive system](https://extension.msstate.edu/publications/understanding-the-ruminant-animal-digestive-system)
2. [University of Minnesota Extension: The ruminant digestive system](https://extension.umn.edu/dairy-nutrition/ruminant-digestive-system)
3. [Adamczyk et al. 2015, Perception of environment in farm animals (Annals of Animal Science)](https://doi.org/10.1515/aoas-2015-0031)
4. [Temple Grandin: Flight zone and handling principles](https://www.grandin.com/behaviour/principles/flight.zone.html)
5. [Jacobs, Deegan & Neitz 1998, Photopigment basis for dichromatic colour vision in cows, goats and sheep](https://pubmed.ncbi.nlm.nih.gov/9685209/)
6. [LSU: Hearing ranges of animals (Heffner data)](https://www.lsu.edu/deafness/HearingRange.html)
7. [Heffner & Heffner 1992, Hearing in large mammals: sound localization in cattle](https://doi.org/10.1037/0735-7036.106.2.107)
8. [Ollivier et al. 2004, Comparative morphology of the tapetum lucidum](https://pubmed.ncbi.nlm.nih.gov/14738502/)
9. [Green et al. 2019, Vocal individuality of Holstein-Friesian cattle (Scientific Reports)](https://doi.org/10.1038/s41598-019-54968-4)
10. [Muzzle-print identification of cattle with deep learning (Journal of Dairy Research, 2025)](https://doi.org/10.1017/S0022029925101118)
11. [Boissy et al. 1998, Cattle detect stress odours in urine (Physiology & Behavior)](https://doi.org/10.1016/s0031-9384(97)00466-6)
12. [Beauchemin 2018, Eating and rumination activity in dairy cows (Journal of Dairy Science)](https://doi.org/10.3168/jds.2017-13706)
13. [Gregorini et al. 2015, Jaw movements of grazing dairy cows (Journal of Dairy Science)](https://doi.org/10.3168/jds.2015-9614)
14. [Matthews et al. 2019, The rumen microbiome (Gut Microbes)](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6546327)
15. [NDSU Extension: Livestock water requirements](https://www.ndsu.edu/agriculture/extension/publications/livestock-water-requirements)
16. [Begall et al. 2008, Magnetic alignment in grazing cattle (PNAS)](https://doi.org/10.1073/pnas.0803650105)
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18. [Slaby et al. 2013, Herd density and magnetic alignment (J Comp Physiol A)](https://doi.org/10.1007/s00359-013-0827-5)
19. [de Souza et al. 2019, Body weight and intake of 2,791 US Holstein cows (Journal of Dairy Science)](https://doi.org/10.3168/jds.2018-16176)
20. [USDA ERS: Dairy data (milk per cow)](https://www.ers.usda.gov/data-products/dairy-data)
21. [Norman et al. 2009, Gestation length by breed (Journal of Dairy Science)](https://doi.org/10.3168/jds.2007-0982)
22. [FAO via Our World in Data: Cattle livestock count](https://ourworldindata.org/grapher/cattle-livestock-count-heads)
23. [FAO 2015, The second report on the state of the world's animal genetic resources](https://www.fao.org/3/i4787e/i4787e.pdf)
24. [Merck Veterinary Manual: Normal rectal temperature ranges](https://www.merckvetmanual.com/multimedia/table/normal-rectal-temperature-ranges)
25. [Bollongino et al. 2012, Modern taurine cattle descended from a small number of Near-Eastern founders (MBE)](https://doi.org/10.1093/molbev/mss092)
26. [Britannica: Aurochs](https://www.britannica.com/animal/aurochs)
27. [Chen et al. 2010, Zebu cattle are an exclusive legacy of the South Asia Neolithic (MBE)](https://doi.org/10.1093/molbev/msp213)
28. [Verdugo et al. 2019, Ancient cattle genomics (Science)](https://doi.org/10.1126/science.aav1002)
29. [Guinness World Records: Oldest cow ever](https://www.guinnessworldrecords.com/world-records/70843-oldest-cow-ever)
30. [Origins of Caribbean criollo cattle (Scientific Reports, 2023)](https://doi.org/10.1038/s41598-023-39518-3)
31. [Bovine Genome Sequencing and Analysis Consortium 2009 (Science)](https://doi.org/10.1126/science.1169588)
32. [Guinness World Records: Tallest cow ever](https://www.guinnessworldrecords.com/world-records/70851-largest-cow-ever)
33. [Allen et al. 2015, Lying behaviour and core body temperature (Journal of Dairy Science)](https://doi.org/10.3168/jds.2013-7704)
34. [Guinness World Records: Tallest steer ever](https://www.guinnessworldrecords.com/world-records/94871-largest-bullock-steer)
35. [Guinness World Records: Largest horn spread on a steer](https://www.guinnessworldrecords.com/world-records/28510-largest-horn-spread-steer-living)
36. [Guinness World Records: Smurf the cow, most milk in a lifetime](https://www.guinnessworldrecords.com/news/2023/8/udderly-amazing-smurf-the-cow-produced-record-amount-of-milk-756175)
37. [Guinness World Records: Shortest cow ever](https://www.guinnessworldrecords.com/world-records/694131-shortest-cow-ever)
38. [Guinness World Records: Most tricks performed by a cow in one minute](https://www.guinnessworldrecords.com/world-records/730746-most-tricks-performed-by-a-cow-in-one-minute)
39. [Guinness World Records: Longest hair for a domestic cattle breed](https://www.guinnessworldrecords.com/world-records/110740-longest-hair-for-a-domestic-cattle-breed)
40. [Wikipedia: Cattle](https://en.wikipedia.org/wiki/Cattle)
41. [van der Tol et al. 2003, Hoof pressure distribution in dairy cattle (Journal of Dairy Science)](https://doi.org/10.3168/jds.S0022-0302(03)73884-3)
42. [Proudfoot & Ternman 2024, Lying and sleep in dairy cattle (JDS Communications)](https://doi.org/10.3168/jdsc.2023-0474)
43. [Wikipedia: Polled livestock](https://en.wikipedia.org/wiki/Polled_livestock)
44. [Wikipedia: Aberdeen Angus](https://en.wikipedia.org/wiki/Aberdeen_Angus)
45. [Coulon et al. 2011, Cattle discriminate familiar from unfamiliar faces (Animal Cognition)](https://doi.org/10.1007/s10071-010-0361-6)
46. [Cows recognise familiar human faces and voices (PLOS ONE, 2025)](https://doi.org/10.1371/journal.pone.0329529)
47. [Watts & Stookey 2000, Vocal behaviour in cattle (Applied Animal Behaviour Science)](https://doi.org/10.1016/s0168-1591(99)00108-2)
48. [Guinness World Records: Largest breed of dairy cattle (Holstein)](https://www.guinnessworldrecords.com/world-records/382464-largest-breed-of-dairy-cattle)
49. [Ternman et al. 2018, Sleep in dairy cows measured with EEG (PLOS ONE)](https://doi.org/10.1371/journal.pone.0195593)
50. [Wikipedia: Zebu / Brahman cattle](https://en.wikipedia.org/wiki/Zebu)
51. [McConnachie et al. 2018, Cows value brushing as much as fresh food (Biology Letters)](https://doi.org/10.1098/rsbl.2018.0303)
52. [Cattle vocalisations and context (Applied Animal Behaviour Science, 2015)](https://doi.org/10.1016/j.applanim.2014.11.017)
53. [Wikipedia: Jersey cattle](https://en.wikipedia.org/wiki/Jersey_cattle)
54. [Wikipedia: Hereford cattle](https://en.wikipedia.org/wiki/Hereford_cattle)
55. [Wikipedia: Highland cattle](https://en.wikipedia.org/wiki/Highland_cattle)
56. [Wikipedia: Texas Longhorn](https://en.wikipedia.org/wiki/Texas_Longhorn)
57. [UC Davis: Making cattle more sustainable](https://www.ucdavis.edu/food/news/making-cattle-more-sustainable)
58. [FAO 2023, Pathways towards lower emissions](https://openknowledge.fao.org/handle/20.500.14283/cc9029en)
59. [Roque et al. 2021, Red seaweed reduces methane from beef steers (PLOS ONE)](https://doi.org/10.1371/journal.pone.0247820)
60. [Merck Veterinary Manual: Resting heart rates](https://www.merckvetmanual.com/multimedia/table/resting-heart-rates)
61. [Wikipedia: Dentition (cattle dental formula, citing USDA-FSIS)](https://en.wikipedia.org/wiki/Dentition)
62. [Eicher et al. 2001, Tail docking and fly numbers in dairy cows (Journal of Dairy Science)](https://doi.org/10.3168/jds.S0022-0302(01)74621-8)
63. [de Oliveira & Keeling 2018, Ear and tail postures as signs of emotion in cattle (PLOS ONE)](https://doi.org/10.1371/journal.pone.0195674)
64. [Battini et al. 2019, Ear postures, eye white and the welfare of dairy cows (Animals)](https://doi.org/10.3390/ani9080477)

## Measurements & details

- **Length:** 200-260 cm
- **Weight:** 400-1000 kg
- **Lifespan:** 15-20 years
- **Litter Size:** 1
- **Gestation:** 279-287 days

## Diet & Feeding

Cows are herbivores that love to eat grass, hay, and other plants.

- **Age differences:** Calves drink milk from their mother before transitioning to solid foods.
- **Primary Foods:** Grass, Hay, Silage, Alfalfa
- **Foraging Method:** Grazing

## Ecological connections

- **Eaten by:** Wolf (*Canis lupus*) — Wolves occasionally hunt calves or weak adult cattle.
- **Eats:** [Kentucky bluegrass](https://www.snappit.app/explore/kentucky-bluegrass) (*Poa pratensis*) — Cows graze on this common pasture grass for nutrients.
- **Eats:** [White clover](https://www.snappit.app/explore/white-clover) (*Trifolium repens*) — Cows eat this protein-rich plant found in pastures.
- **Parasite:** Horn fly (*Haematobia irritans*) — Horn flies feed on cow's blood, causing irritation and stress.

## Traits

- [Furry](https://www.snappit.app/explore/traits/furry): Furry describes animals possessing a dense covering of soft hair or fur.
- [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Domesticated](https://www.snappit.app/explore/traits/domesticated): Domesticated refers to species that have been selectively bred and tamed by humans for specific purposes.
- [Longevous](https://www.snappit.app/explore/traits/longevous): This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.

## Collections

- [Mammals](https://www.snappit.app/explore/collections/mammals)

## Safety

**Danger:** 3/5 · Moderate

Stay calm and quiet around cows. Never walk up directly behind a cow, and never get between a cow and her calf. If you see the white of her eye, give her space.

## Frequently Asked Questions

### How to identify Cow?

Compare ears, muzzle, tail, feet and coat markings. Size is hard to judge without something nearby for scale, and young mammals may not have adult coloring yet. Mammal Identifier: upload a photo and compare the visible details.

### How long is Cow?

200-260 cm

### How much does Cow weigh?

400-1000 kg

### How long does Cow live?

15-20 years

### What does Cow eat?

Cows are herbivores that love to eat grass, hay, and other plants.

### Where is Cow usually found?

Farms and grassy fields.

### How many babies does Cow usually have?

1

## Where to spot

- [Buffalo Zoo](https://www.snappit.app/guides/places/buffalo-zoo) — New York, US · Zoo
- [Greater Cleveland Aquarium](https://www.snappit.app/guides/places/greater-cleveland-aquarium-ohio) — Ohio, US · Aquarium
- [Gulf Breeze Zoo](https://www.snappit.app/guides/places/gulf-breeze-zoo) — Florida, US · Zoo
- [Santa Ana Zoo](https://www.snappit.app/guides/places/santa-ana-zoo) — California, US · Zoo
- [Selig Zoo](https://www.snappit.app/guides/places/selig-zoo) — California, US · Zoo
- [Texas State Aquarium](https://www.snappit.app/guides/places/texas-state-aquarium) — Texas, US · Zoo

[View all places to see Cow](https://www.snappit.app/guides/where-to-see/cow)

## Watch

- [Play video: Cow](https://www.snappit.app/videos/cow)
- [YouTube](https://youtube.com/watch?v=SOeKQZ1oTvU)

## More Mammals

- [Eastern Fox Squirrel](https://www.snappit.app/explore/eastern-fox-squirrel) (*Sciurus niger*)
- [Eastern Cottontail](https://www.snappit.app/explore/eastern-cottontail) (*Sylvilagus floridanus*)
- [Eastern Chipmunk](https://www.snappit.app/explore/eastern-chipmunk) (*Tamias striatus*)
- [California Ground Squirrel](https://www.snappit.app/explore/california-ground-squirrel) (*Otospermophilus beecheyi*)

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Source: [Cow: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/cow)