The recording gives it away. First, a sudden plunge in altitude, then distressed bird calls before a prolonged series of ...
A superb fairy-wren calls to a Horsfield's bronze-cuckoo. Brood parasites like cuckoos lay eggs in other birds' nests and leave them behind for the host birds to raise. David Ongley / Cornell Lab of ...
To exploit a rich food resource that remains largely inaccessible to most predators, Europe’s largest bat captures, kills, and consumes nocturnally migrating birds in flight high above the ground, ...
The discovery of bird DNA in bat poo has suggested that a handful of bat species are able to hunt migrating birds.
For nearly 25 years, scientists have puzzled over how Europe’s largest bat, the greater noctule, manages to eat small birds.
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