# Eurasian Treecreeper (*Certhia familiaris*) The Eurasian Treecreeper is a small bird that loves to climb trees. It has a long, curved beak that helps it find insects hiding in the bark. You can often see it moving up tree trunks in search of food! - **Category:** [Birds](https://www.snappit.app/explore/categories/bird) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Habitat:** Forests ![Eurasian Treecreeper](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/%D0%9E%D0%B1%D1%8B%D0%BA%D0%BD%D0%BE%D0%B2%D0%B5%D0%BD%D0%BD%D0%B0%D1%8F_%D0%BF%D0%B8%D1%89%D1%83%D1%85%D0%B0_%28Certhia_familiaris%29.jpg&width=800) Photo: Ekytza, CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:%D0%9E%D0%B1%D1%8B%D0%BA%D0%BD%D0%BE%D0%B2%D0%B5%D0%BD%D0%BD%D0%B0%D1%8F_%D0%BF%D0%B8%D1%89%D1%83%D1%85%D0%B0_%28Certhia_familiaris%29.jpg) ## Appearance The Eurasian Treecreeper has a mottled brown back with streaks that camouflage it perfectly against tree bark, a pure white belly, and a distinctive long, slender, downcurved bill. Its stiff tail feathers, used for support, are also a unique visual feature. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Chordata - **Class:** Aves - **Order:** Passeriformes - **Family:** Certhiidae - **Genus:** Certhia ## Interesting facts - Despite their tiny size, treecreepers can survive cold winters by constantly searching for food. - It always climbs up a tree in a spiral, then flies down to the base of the next tree to start again! - Their soft, high-pitched song sounds like a delicate 'twee-twee-twee' whistle that's easy to miss. - They build cozy cup-shaped nests hidden behind loose bark flakes or in tree cavities. ## Special abilities - **Insect Snatcher:** Eurasian Treecreeper has a slender, downcurved bill that helps them probe deep into bark crevices to find hidden insects. - **Tree Camouflage:** Eurasian Treecreeper has mottled brown plumage that helps them blend perfectly with tree bark, making them hard to spot. ## Measurements & details - **Length:** 12-14 cm - **Wingspan:** 17-21 cm - **Weight:** 0.007-0.012 kg - **Lifespan:** 2-3 years - **Speed:** 35 km/h - **Clutch Size:** 5-6 - **Incubation:** 14-15 days ## Diet & Feeding They snack on tiny insects and spiders hidden in tree bark. - **Primary Foods:** Spiders, Beetles, Caterpillars, Aphids, Woodlice, Insect eggs - **Foraging Method:** Foraging ## Ecological connections - **Eaten by:** Sparrowhawk (*Accipiter nisus*) — A fast raptor that hunts small birds in woodlands. - **Eaten by:** [Tawny Owl](https://www.snappit.app/explore/tawny-owl) (*Strix aluco*) — A nocturnal owl that can prey on roosting treecreepers. - **Depends on:** [English Oak](https://www.snappit.app/explore/english-oak) (*Quercus robur*) — Provides abundant insects and bark crevices for foraging and nesting. - **Depends on:** [European Beech](https://www.snappit.app/explore/european-beech) (*Fagus sylvatica*) — Offers insects and potential nesting sites behind its smooth bark. ## Traits - [Feathered](https://www.snappit.app/explore/traits/feathered): Feathered describes animals, primarily birds, possessing a covering of feathers. - [Singing](https://www.snappit.app/explore/traits/singing): Singing animals produce complex vocalizations, often for purposes of attracting mates, defending territory, or communicating within their species. - [Arboreal](https://www.snappit.app/explore/traits/arboreal): Arboreal animals live primarily in trees, utilizing them for shelter, food, and protection from predators. - [Camouflaged](https://www.snappit.app/explore/traits/camouflaged): Camouflaged describes organisms that possess coloring or patterns that allow them to blend into their environment. - [Insectivorous](https://www.snappit.app/explore/traits/insectivorous): This trait identifies organisms whose diet primarily consists of insects and other small invertebrates. - [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life. - [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night. ## Collections - [Birds](https://www.snappit.app/explore/collections/birds) ## Safety **Danger:** 1/5 · Very low Enjoy watching birds from a distance and don't disturb their nests. ## Frequently Asked Questions ### How to identify Eurasian Treecreeper? Compare the silhouette, bill shape, tail length, wing bars and markings around the eyes. The same small brown bird at your feeder can look quite different in breeding plumage, winter plumage or its first year. Bird Identifier: upload a photo and compare the visible details. ### How long is Eurasian Treecreeper? 12-14 cm ### What is Eurasian Treecreeper's wingspan? 17-21 cm ### How much does Eurasian Treecreeper weigh? 0.007-0.012 kg ### How long does Eurasian Treecreeper live? 2-3 years ### How fast can Eurasian Treecreeper move? 35 km/h ### What does Eurasian Treecreeper eat? They snack on tiny insects and spiders hidden in tree bark. ### Where is Eurasian Treecreeper usually found? Forests ## Where to spot - [Naturpark Rhein-Taunus](https://www.snappit.app/guides/places/naturpark-rhein-taunus) — Hessen, DE · Park ## More Birds - [Black-crowned Night Heron](https://www.snappit.app/explore/black-crowned-night-heron) (*Nycticorax nycticorax*) - [Anna's Hummingbird](https://www.snappit.app/explore/annas-hummingbird) (*Calypte anna*) - [Great Egret](https://www.snappit.app/explore/great-egret) (*Ardea alba*) - [Blue Jay](https://www.snappit.app/explore/blue-jay) (*Cyanocitta cristata*) --- Source: [Eurasian Treecreeper: Facts & Places to See — Snappit](https://www.snappit.app/explore/eurasian-treecreeper)