The Royal Saskatchewan Museum has launched an online bird egg database. Canada has more than 300 species of breeding birds. The online resource will allow anyone to look up bird species from anywhere.

The eggs of these cavity-nesting birds are rarely seen by most birders because the species does not usually choose artificial nest boxes. Instead, they prefer to breed in old woodpecker holes or ...

He says the cowbird's parasitic egg-dumping behaviour was so successful, that they are known to do it to 220 different host species of birds.

The once-extinct Sihek bird recently laid eggs in the wild for the first time in close to 40 years Nine young Sihek were released at The Nature Conservancy's Palmyra Atoll Preserve in Hawaii during ...