The heaviest bird nest ever discovered weighed more than 2,000kg. It was built by bald eagles. The tiniest nest, built by a bee hummingbird, was just over 2cm wide.
The Nullarbor is an arid, treeless expanse today. But several hundred thousand years ago it was home to a menagerie of species, including two newly discovered giant cuckoo-like birds.
Birds migrating to Africa are threatened by issues like habitat loss. Studying their movement patterns will show the challenges these species encounter on the continent.
Cuckoos are notorious cheats. Instead of building a nest, incubating their eggs and raising their chicks, they lay their eggs in the nests of other birds and leave the task of raising their offspring to…
Cuckoos aren’t the kind of parents you’d want. They never raise their young ones, leaving that job to other birds. They achieve this by laying their eggs in other expectant birds’ nests, who treat them…
If you come across a young cuckoo this summer, you’ll be witness to one of the most bizarre sights in nature. Cuckoo chicks are interlopers in the nests of other species, and can be seen being frantically…