Invasive brood parasites a threat to native bird species

North Americans might be seeing new species of birds in certain areas of the continent in the near future. According to research conducted by a psychology professor at the University of Tennessee, Knoxville, and his co-authors, ...

Cuckoos stay on course

With short hectic wing strokes that are hardly raised above the body, the flight of the cuckoo is not the height of elegance. Nevertheless, their wings carry them over 16,000 kilometres a year. Martin Wikelski from the Max ...

Chickless birds guard nests of relatives

(Phys.org) —New research has solved a mystery as to why some birds choose not to reproduce, and instead help to guard the nests of their close relatives. This occurs in about nine percent of all bird species.

Cuckoos impersonate hawks by matching their 'outfits'

New research shows that cuckoos have striped or "barred" feathers that resemble local birds of prey, such as sparrowhawks, that may be used to frighten birds into briefly fleeing their nest in order to lay their parasitic ...

Bees that go 'Cuckoo' in others' nests

The biota of island archipelagos is of considerable interest to biologists. These isolated areas often act as 'evolutionary laboratories', spawning biological diversity rapidly and permitting many mechanisms to be observed ...

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