# Willow Warbler (*Phylloscopus trochilus*) The Willow Warbler is a small, cheerful bird that loves to sing. You can find it hopping around trees and bushes, looking for tasty insects to eat. - **Category:** [Birds](https://www.snappit.app/explore/categories/bird) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Habitat:** Woodlands and gardens - **Also known as:** Common Willow Warbler, Willow Wabbler ![Willow Warbler](https://res.cloudinary.com/drieglelr/image/upload/v1771426804/objects/4572.jpg) ## Appearance The Willow Warbler is a small, slender bird with greenish-brown upperparts and pale, dull yellow underparts. It has a distinctive pale supercilium (eyebrow stripe) and pale legs, which helps distinguish it from similar warblers. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Chordata - **Class:** Aves - **Order:** Passeriformes - **Family:** Phylloscopidae - **Genus:** Phylloscopus ## Interesting facts - Its unique song sounds like a gentle, fading whistle, making it easy to identify! - They can eat hundreds of insects a day, helping keep garden pests in check! - This tiny bird travels from Europe to Africa each year, flying over huge deserts! - Willow Warblers build dome-shaped nests on the ground, hidden in dense plants. ## Special abilities - **Migration Mastery:** Willow Warbler can fly thousands of kilometers, crossing continents, because of its incredible endurance that helps them find warm winter homes. - **Insect Hunter:** Willow Warbler can expertly catch tiny insects mid-air and from leaves, because of its agile flight and keen eyesight that helps them find food. - **Sweet Serenade:** Willow Warbler has a distinctive, cascading song that helps them attract mates and defend their territory during the breeding season. ## Measurements & details - **Length:** 11-12.5 cm - **Wingspan:** 17-22 cm - **Weight:** 0.0063-0.0135 kg - **Lifespan:** 1-9 years - **Speed:** 45 km/h - **Clutch Size:** 4-8 - **Incubation:** 11-14 days - **Migration Distance:** 12000 km ## Diet & Feeding They mostly eat insects, like tiny caterpillars and flies, found in trees and bushes. - **Primary Foods:** Caterpillars, Flies, Aphids, Beetles, Spiders - **Foraging Method:** Foraging ## Ecological connections - **Eaten by:** [Eurasian Sparrowhawk](https://www.snappit.app/explore/eurasian-sparrowhawk) (*Accipiter nisus*) — a common aerial predator of small birds - **Eaten by:** [Domestic Cat](https://www.snappit.app/explore/domestic-cat) (*Felis catus*) — a frequent predator in suburban habitats - **Parasitizes:** Common Cuckoo (*Cuculus canorus*) — lays eggs in Willow Warbler nests - **Eats:** Small White Caterpillar (*Pieris rapae*) — helps control garden caterpillar populations ## Traits - [Wildlife](https://www.snappit.app/explore/traits/wildlife): Wildlife encompasses all undomesticated animal and plant life existing in their natural habitats. - [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. - [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. - [Migratory](https://www.snappit.app/explore/traits/migratory): Migratory animals undertake seasonal movements from one region to another, typically in response to changes in climate or food availability. ## Collections - [Birds](https://www.snappit.app/explore/collections/birds) ## Safety **Danger:** 1/5 · Very low Willow Warblers are friendly birds and safe to watch from a distance. Always be gentle and quiet around them. ## Frequently Asked Questions ### How to identify Willow Warbler? 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 Willow Warbler? 11-12.5 cm ### What is Willow Warbler's wingspan? 17-22 cm ### How much does Willow Warbler weigh? 0.0063-0.0135 kg ### How long does Willow Warbler live? 1-9 years ### How fast can Willow Warbler move? 45 km/h ### What does Willow Warbler eat? They mostly eat insects, like tiny caterpillars and flies, found in trees and bushes. ### Where is Willow Warbler usually found? Woodlands and gardens ## Where to spot - [Cabrera Archipelago National Park](https://www.snappit.app/guides/places/cabrera-archipelago-national-park) — Spain, ES · National Park - [Naturpark Hüttener Berge](https://www.snappit.app/guides/places/naturpark-huttener-berge) — Schleswig-Holstein, DE · Park - [Santoña, Victoria and Joyel Marshes Natural Park](https://www.snappit.app/guides/places/santona-victoria-and-joyel-marshes-natural-park) — Cantabria, ES · Park [View all places to see Willow Warbler](https://www.snappit.app/guides/where-to-see/willow-warbler) ## 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: [Willow Warbler: Facts & Places to See — Snappit](https://www.snappit.app/explore/willow-warbler)