Remove Breeding Remove Experiments Remove Groups Remove Sweden
article thumbnail

What the rings reveal

10,000 Birds

Black-tailed godwits winter in large numbers on the estuaries of both Norfolk and Suffolk, and we know that nearly all these birds breed in Iceland. In breeding plumage islandica godwits develop a deeper red plumage than their limosa cousins. They are of the race islandica , a sub species of the nominate race, limosa.

Lithuania 130
article thumbnail

Birds in Winter: A Book Review, Written in Winter

10,000 Birds

The seasonal life of one bird species is complex; life cycle events like aging, breeding, molt, and migration are intricately tied to habitat, food availability, genetic ‘instincts,’ hours of daylight, and weather. But a lot will be new, particularly the many studies that prove these are real changes supported by hard data.

Research 169
article thumbnail

Seabirds: The New Identification Guide: An ID Guide Review

10,000 Birds

All species in every one of these groups is described even if not every single species lives on the ocean, a guideline continued from the earlier volume. All species in every one of these groups is described even if not every single species lives on the ocean, a guideline continued from the earlier volume.

Albatross 279