Is there a cuckoo in the nest?

If you are a bird watcher you probably have seen Superb Fairy-wrens trying to feed a rather large nestling. Fairy-wrens are the primary host of the Horsfield’s bronze-cuckoo and a secondary host of the shining bronze-cuckoo in south-eastern Australia.

The bronze-cuckoo lay their eggs in fairy-wrens, the hatchlings toss out the other eggs and the wrens raise them. Research has found that some Superb Fairy-wrens are able to learn to recognise and attack adult cuckoos and abandon cuckoo chicks.







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