British ornithologists tracked cuckoo birds on a migration more than 7,500 miles, spanning southern Africa and East Asia. Mongolian Cuckoos Migrate 7,500 Miles To Southern Africa — One Of The Longest ...

Fork-tailed drongos have a signature color and pattern on their eggs, which helps them avoid getting duped by African cuckoos. Hans Stieglitz via Wikimedia Commons under CC BY-SA 3.0 Cuckoos have ...

For two million years African cuckoo finches have been tricking other birds into raising their young by mimicking the colour of their eggs, but new research suggests the tables may be turning in this ...

For two million years African cuckoo finches have been tricking other birds into raising their young by mimicking the colour of their eggs, but new research suggests the tables may be turning in this ...

African cuckoos may have met their match with the fork-tailed drongo, which scientists predict can detect and reject cuckoo eggs from their nest on almost every occasion, despite them on average ...

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Nest building is costly. It requires time, energy, and constant defence from predators. For birds that raise their own young, this investment makes sense because it ensures survival of their chicks.

British ornithologists tracked cuckoo birds migrating more than 7,500 miles across southern Africa and East Asia — one of the longest animal migrations ever recorded. Last summer, a team of ...

Egg 'signatures' will allow drongos to identify cuckoo 'forgeries' almost every time, study finds. African cuckoos may have met their match with the fork-tailed drongo, which scientists predict can ...