Caption Bronze-cuckoo nestlings on the left with the nestlings of their hosts on the right. TOP ROW: little bronze-cuckoo, host large-billed gerygone. SECOND ROW: shining bronze-cuckoo, host ...

While some hosts recognize and destroy the cuckoo egg, defensive action against hatchlings has been underinvestigated. In the 13 March Nature, Naomi Langmore and colleagues at the Australian National ...

The researchers looked at two cuckoo species in particular: the shining bronze-cuckoo (Chrysococcyx lucidus) and the little bronze-cuckoo (Chrysococcyx minutillus). Both of these species exploit ...