Otters

lutrinae

Otters are charismatic semiaquatic mammals belonging to the subfamily Lutrinae within the diverse weasel family. Renowned for their playful behavior, high intelligence, and exceptional agility in water, these sleek carnivores inhabit a wide range of aquatic environments, from freshwater rivers and lakes to coastal marine shores across nearly every continent. They are keystone species, playing a critical role in maintaining the balance of their ecosystems by regulating populations of prey such as fish, crabs, and sea urchins. Their presence is often a vital indicator of a healthy, clean aquatic environment, making them highly valued by conservationists. With their specialized, incredibly dense fur, sensitive whiskers, and strong, webbed feet, otters are masterfully adapted to a life split between land and water. Whether they are sliding down muddy banks, juggling pebbles, or rafting together in giant floating groups, these social and energetic mammals are always a captivating sight for wildlife enthusiasts.

Lebensraum: Typically found in clean, undisturbed aquatic environments including rivers, lakes, wetlands, estuaries, and coastal marine kelp forests.

Aussehen

Otters possess elongated, streamlined bodies with short limbs and powerful, webbed feet designed for efficient swimming. Their fur is remarkably dense and typically ranges from light brown to deep chocolate, often with a paler, silvery-grey throat and belly. They feature broad, flattened heads with small ears, long sensitive whiskers around their snout, and muscular, tapered tails that act as rudders. Sizes vary significantly between species, ranging from the small Asian small-clawed otter at around 60 centimeters in length to the massive giant otter of South America, which can exceed 1.7 meters.

ReichAnimaliaStammChordataKlasseMammaliaOrdnungCarnivoraFamilieMustelidae

Otters

Kategorie

Säugetiere

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

Mach den ersten Snap!

Interessante Fakten

A group of otters is called a 'romp' when they are on land, and a 'raft' when they are floating in the water.

Otters have a pocket of loose skin under their forearms that they use like a pouch to store food or their favorite rock for cracking open shellfish.

Sea otters hold hands while sleeping in water, forming rafts to prevent themselves from drifting apart in ocean currents.

Besondere Fähigkeiten

Otters have up to one million hairs per square inch, trapping a layer of insulating air next to their skin to stay warm and dry in freezing waters.

Their highly sensitive whiskers detect minute vibrations and water currents, allowing them to locate prey in muddy or dark underwater conditions.

They can voluntarily seal their nostrils and ears shut when diving, preventing water from entering while foraging underwater.

Maße und Details

Länge: 60-180 cm
Gewicht: 1-45 kg
Lebenserwartung: 10-20 Jahre
Top Speed: 12 km/h
Gelegegröße: 1-5
Brutzeit: 60-120 Tage

Ernährung und Fütterung

Otters are opportunistic carnivores that feed primarily on aquatic organisms, requiring high energy intake to maintain their body temperature.

Hauptnahrung

Fish
Crabs
Frogs
Sea Urchins
Crayfish
Clams

Nahrungssuche

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Ökologische Zusammenhänge

hunts

Purple Sea Urchin

Strongylocentrotus purpuratus

Sea otters hunt purple sea urchins, preventing them from overgrazing and destroying ecologically vital kelp forests.

eaten by

Black Caiman

Melanosuchus niger

Giant otters in South America face predation threats from large reptiles like black caimans in shared river systems.

competitor

American Mink

Neogale vison

North American river otters compete with American minks for similar prey such as fish and crustaceans.

Merkmale

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Auch bekannt als

otter

Sammlungen

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Sicherheit

Gefahr

1/5 · Sehr gering

Noch keine besonderen Sicherheitshinweise.

Häufig gestellte Fragen

Wie identifiziert man Otters?

Der einfachste Weg, Otters zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Otters?

60-180 cm

Was ist der/die/das gewicht von Otters?

1-45 kg

Was ist der/die/das lebenserwartung von Otters?

10-20 Jahre

Was ist der/die/das top Speed von Otters?

12 km/h

Was frisst Otters?

Otters are opportunistic carnivores that feed primarily on aquatic organisms, requiring high energy intake to maintain their body temperature.

Wo findet man Otters normalerweise?

Typically found in clean, undisturbed aquatic environments including rivers, lakes, wetlands, estuaries, and coastal marine kelp forests.

Wie jagt Otters?

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