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2019-01-25
Bukhara |
© Bakhtiyor Mardonov
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The Booted Warbler is less than Sparrow. Upperparts are plain sandy ore buffy-grey; underparts are off-white buffy tinged. It resembles the Leaf Warblers but is distinguished by the color, faint supercilium and by the absence of dark eye-strip. The eye-ring is light and faint; legs are rosy-grey or yellowish-grey. The outer tail feathers have pale edges. The bill is strong and pointed. From the most resemble Chiffchaff it is distinguished by the light sandy color and light legs. Both sexes are similar. The seasonal differences of plumage are insignificant. Juveniles are similar on adults; upperparts are slightly rustier, flanks are browner. The contact features: underwings are white; the 1st primary is longer on 4-7 mm than upperwing coverts; 2nd primary is between 6th and 7th (probable between 7th and 8th) on length; the outer webs of the 3rd-6th primaries are narrower on tips. The top of the wing is formed by 3rd-5th primaries. Weight 7-12 grams, length 12-14, wing 5,5-6,5, wingspan 17-19 cm.
В.К.Рябицев. "Птицы Урала, Приуралья и Западной Сибири". Екатеринбург, Изд-во Уральского университета, 2000.
