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Bird name:

Willow Warbler

Phylloscopus trochilus

Order

PASSERIFORMES

Family

Old World Warblers (Sylviidae)

BTO 2

WW

BTO 5

WILWA

Euring 5

13120
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ILLUSTRATION

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PHOTOS

CONSERVATION STATUS

UK Conservation Status


Amber Status

European Conservation Status


Conservation Description


The Willow Warbler is a summer resident in much of the UK, Isle of Man, and Ireland. It has an "Amber" status because of steady declines in its population.

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SUMMARY

Overview

Willow Warbler: Small leaf warbler with green-brown upperparts and buff to yellow-white underparts that become less yellow as the summer progresses. The head has a brown eyestripe and a pale yellow eyebrow. The bill is brown and the legs and feet range in colour from dark brown to flesh-coloured.


Range and Habitat

Willow Warbler: Widespread in the UK and Ireland. Most arrive in April and begin to leave in August. Found in open woodlands, birch woods, plantations, abandoned industrial land and moorland edges. Breeds from northern Europe to Russia and Asia. Spends the winter in southern and central Africa.

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SONGS AND CALLS

Voice Text

"hoo-ett"

INTERESTING FACTS

  • The Willow Warbler was formerly called the Willow Wren.
  • It is very similar in appearance to the Chaffinch, song may be the best way of telling them apart.
  • Unlike other British wablers it undergoes two moults per year.
  • A group of warblers has many collective nouns, including a "bouquet", "confusion", "fall", and "wrench" of warblers.

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FAMILY DESCRIPTION

TERMINOLOGY

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HELP ME IDENTIFY A BIRD

BACKYARD BIRDING

BIRDS AND BIRDING

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UnderpartsX

Belly, undertail coverts, chest, flanks, and foreneck.

UpperpartsX
Back, rump, hindneck, wings, and crown.
EyebrowX
Also called the supercilicum or superciliary it is the arch of feathers over each eye.
FaceX
The front part of the head consisting of the bill, eyes, cheeks and chin.
4 and 6 letter alpha codesX

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

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ITIS CodesX

The Integrated Taxonomic Information System (ITIS) was established in the mid-1990 s as a cooperative project among several federal agencies to improve and expand upon taxonomic data (known as the NODC Taxonomic Code) maintained by the National Oceanographic Data Center (NODC), National Oceanic and Atmospheric Administration (NOAA).

To find the ITIS page for a bird species go to the ITIS web site advanced search and report page at http://www.itis.gov/advanced_search.html. You can enter the TSN or the common name of the bird. It will return the ITIS page for that bird. Another way to obtain the ITIS page is to use the Google search engine. Enter the string ITIS followed by the taxonomic ID, for example "ITIS 178041" will return the page for the Allen's Hummingbird.

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Parts of a Standing birdX
Head Feathers and MarkingsX
Parts of a Flying birdX