Northern House Martin

Delichon urbica (Linnaeus, 1758)

2018-05-31 Tyumen region, Tyumen	© Lyubov Dokuchaeva

Description

The House Martin is less than Sparrow bird. Upperparts are black with bluish metallic gloss, underparts are all white. The tail is not deep-cut. The well specific feature is the white rump appreciable from a far. There is not dark band on the breast. Legs are feathered up to claws. Males and females are similar; there are no differences in color on all seasons. Juveniles are similar to adults but its upperparts are grayish-black with a bit of bluish metallic gloss, flanks and breast are with brownish tinge. Weight 14-25 grams, length 14-17, wing 9,8-11,8, wingspan 29-33 sm.

References