Do Birds Only Lay Eggs in Spring? Bird nesting happens in spring. That’s common knowledge, right? Actually, it’s not always the case. Even though we associate nesting birds with springtime, some birds ...

Add Yahoo as a preferred source to see more of our stories on Google. Cowbird eggs in a house finch nest, courtesy Lindsay Arnold Chipping sparrow nests are known to be parasitized by brown-headed ...

Add Yahoo as a preferred source to see more of our stories on Google. The image shows a bird with a brood patch, a featherless area on its abdomen used to transfer heat to eggs or chicks. The bird is ...

Instead of building nests, the endangered Maleo buries its giant eggs in geothermal soil near volcanic areas, letting the ...

An international team of ornithologists has overturned one of the oldest assumptions in natural history by directly documenting how common cuckoos lay their eggs in host nests located inside cavities.

The image shows a bird with a brood patch, a featherless area on its abdomen used to transfer heat to eggs or chicks. The bird is gently held, with ruffled feathers around the patch.© ...