Latest Common Cuckoo Stories
For some birds, recognizing their own eggs can be a matter of life or death.
Cuckoo finches that lay more than one egg in their victims' nests have a better chance of bamboozling host parents into fostering their parasitic young, a study has found.
To minimize the chance of being recognized and thus attacked by the birds they are trying to parasitize, female cuckoos have evolved different guises.
Reed warblers live with the threat that a cuckoo bird will infiltrate their nest, remove one of their eggs, and replace it with the cuckoo's own. This 'parasitism' enables the cuckoo to have its young raised by unsuspecting reed warblers.
Reed warblers use mobbing as a front line of nest defense against parasitic cuckoos.
The Common Hawk-cuckoo (Cuculus varius) also commonly called the Brainfever bird, is a species of cuckoo that occurs in Punjab, Pakistan east across much of the Indian peninsula, Bangladesh, and Sri Lanka. It is found at altitudes of 2600 feet in the Himalayas. Most birds are resident but ones that occur at higher altitudes or in arid regions are locally migratory. Its habitat is dry deciduous forests, where it is mostly solitary. It is called Hawk-cuckoo as it resembles a sparrow hawk....