American Robins nest from April into July, raise two broods a year and lay three or four sky-blue eggs in a mud-lined cup. Here is when and where they nest, why the eggs are blue, how long incubation ...

Upload a photo and we’ll tell you what bird it is, the marks that prove it, and how to tell it from the bird it’s often mistaken for. Loading... JPEG, PNG, WebP or HEIC · up to 20 MB Your photo goes ...

Identify any bird by photo, sound, or description — then learn what it eats, how to attract it, and when it's near you. From ...

The birds people mix up most, side by side, with the one feature that settles each pair: Kestrel or Sparrowhawk, Raven or ...

We write from published sources: field guides, the scientific literature, and the organisations that count and study birds, such as BirdLife International and the IUCN Red List, the British Trust for ...