Upcher’s Warbler

Hippolais languida (Hemprich et Ehrenberg, 1833)

2016-06-26 Tashkent region, river Aksak-ata	© Luiza Mardonova

Description

Adult Upcher's Warbler are plain brownish-grey. Crown is slightly paler than mantle. Head-flanks are grayish. Eyebrow is whitish. Flight and tail feathers are pale-brownish with slightly notable whitish edges. Outer tail feathers are with broader edges and whitish terminal spots which vestiges are also slightly notable on second and third outer pairs. Throat, breast and belly are off-white grayish-buffy tinged. Underwings and axillaries are buffy-whitish. Upper mandible is brownish-horn, lower mandible is pale yellowish-horn, tarsus is pale-brownish, and eyes are brown. Juveniles in first plumage are similar to adults. Sizes: males - wing 78-80, tail 62-63, tarsus 19.3-22; females - wing 72-75, tail 60-71, tarsus 21.1-22.0 mm. Weight about 14 grams.

References

"Птицы Казахстана" том 4. Алма-Ата, 1972.

Рябицев В. К., Ковшарь А. Ф., Ковшарь В. А., Березовиков Н. Н. «Полевой определитель птиц Казахстана», Алматы, 2014