Egg ‘signatures’ will allow drongos to identify cuckoo ‘forgeries’ almost every time, study finds
Images and paper available at: https://drive.google.com/drive/folders/1mPYnFKIEArlXUAaFk5H7YTepezntqerj?usp=sharing
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 looking almost identical to drongo eggs.
Fork-tailed drongos, belligerent birds from sub-Saharan Africa, lay eggs with a staggering diversity of colours and patterns. All these colours and patterns are forged by the African cuckoo.
African cuckoos lay their eggs in drongos’ nests to avoid rearing their chick themselves (an example of so-called ...













