Appearance
The Brambling is similar in size and shape to a Chaffinch. Breeding-plumaged male Bramblings are very distinctive, with a black head, dark upperparts, orange breast and white belly. Females and younger birds are less distinct, and more similar in appearance to some Chaffinches. In all plumages, however, Bramblings differs from Chaffinches in a number of features:⤷ Brambling has a white rump whereas that of Chaffinch is grey-green;
⤷ the breast is orange, contrasting with a white belly on Brambling, whereas on Chaffinch the underparts of more uniformly coloured;
⤷ Brambling's scapulars are orange, whereas Chaffinch's are grey or grey-brown;
⤷ the flanks are dark-spotted on Brambling, plain on Chaffinch;
⤷ Bramblings lack the white outer tail feathers of Chaffinch.
An additional difference for all plumages except breeding-plumaged males is the bill colour - yellow in Brambling, dull pinkish in Chaffinch.
Naming
The common English name is probably derived from the German "brâma", meaning bramble or a thorny bush. It has also been called the Cock o' the North and the Mountain Finch.
Distribution
This bird is widespread throughout the forests of northern Europe and Asia. It is migratory, wintering in southern Europe, north Africa, north India, northern Pakistan, China and Japan. It regularly strays into Alaska during migration and may continue as far south as the western United States.
Behavior
This species is almost entirely migratory. In Europe, it forms large flocks in the winter, sometimes with thousands or even millions of birds in a single flock. Such large gatherings occur especially if beech mast is abundant. Bramblings do not require beech mast in the winter, but winter flocks of Bramblings will move until they find it. This may be an adaptation to avoid competition with the Chaffinch.
Habitat
Open coniferous or birch woodland is favoured for breeding.
Reproduction
It builds its nest in a tree fork, and decorates the exterior with moss or lichen to make it less conspicuous. It lays 4-9 eggs.
Food
Bramblings mostly eat seeds, but unlike most finches, their young are fed largely on insects.References:
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