Willow Warbler (Phylloscopus trochilus) -> Blue Tit (Phylloscopus trochilus) - BirdID's Bird Guide - Nord University

Species:

Willow Warbler (Phylloscopus trochilus)

Blue Tit (Cyanistes caeruleus)

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Chiffchaff

Great Tit

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Yellow-browed Warbler

Grey-headed Chickadee

Length (cm):

10-11

11-11

Wingspan (cm):

16-22

17-20

Weight (gram):

7-12

9-12

Size group:

Warbler-size

Main Texts:

Appearance:

Olive green upperparts, yellowish chest with gradual transition to off-white belly. Very similar to Chiff-chaff, and most field characters are subtle and often hard to see. Distinguished by (usually) pale, yellow-brown legs, dark framing to ear-coverts, stronger supercilium. Long primary projection (often 3/4ths the length of tertials) with irregularly spaced tips (visible when wing folded). Wings slightly more pointed than in Chiff-chaff, and not so fan-shaped. Juveniles often with whole underparts yellow. Frequently flicks tail, but not sideways (unlike Chiff-chaff). Generally also more calm when moving among the foliage.

Sound:

By far most easily identified by it's call or song. Contact/alarm call a soft, plaintive ascending "hoo-eet". Similar to Chiff-chaff, but first part more drawn, giving it a disyllabic feel. Song: A 3-5 second, falling phrase of soft, rippling "svi-svi" sounds, starting high with some attack, and then falling in a mellow manner. The phrase lacks any conclusion, and diminishes both in strength and tempo.

Song:

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See sound file

Distribution:

Wikipedia: map (se also Xeno-canto below)

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

Appearance:

Diagnostic combination of blue crown, and yellow belly makes it easily recognizable. No white tail-feathers. Sexes similar, but male slightly brighter blue. Juveniles paler than adults, with greenish crown and yellowish cheeks. One of the smallest of the tits.

Sound:

Song: Characteristic, clear, high-pitched, vibrating call. Usually introduced by a couple of accenting syllables, followed by ringing vibrating notes: "ti ti chuhuhuhuhuhuhuhuhuhu". Scolding alarm call: "tee-tee-tee-chirruwitt" similar to Great Tit.

Song: