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Latest Brood parasite Stories

Tree Sparrows Recognize Foreign Eggs In Their Nest By Color And Shape
2013-12-11 09:23:39

University of Veterinary Medicine, Vienna Many birds have reason to worry that the eggs in their nest might not be their own: birds often deposit eggs into other nests and it is not easy for parents to tell their eggs from others. Researchers at the University of Veterinary Medicine, Vienna have discovered that tree sparrows can recognize eggs deposited by other tree sparrows but do not always reject them. The results are published in the online journal Plos One. Building a nest, laying...

2012-02-29 10:42:48

Some disease-causing parasites are known to favor one sex over the other in their host species, and such differences between the sexes have generally been attributed to differences in immune responses or behavior. But in a new article, published February 28 in the magazine section of the online, open-access journal PLoS Biology, David Duneau from Cornell University and Dieter Ebert from the University of Basel now propose that all sorts of characteristics that differ between the sexes of the...

2010-09-22 13:21:11

Researchers at the University of Sheffield have discovered that cuckoo eggs are internally incubated by the female bird for up to 24 hours before birth, solving for the first time the mystery as to how a cuckoo chick is able to hatch in advance of a host´s eggs and brutally evict them. Published today (22 September 2010) in the journal Proceedings of the Royal Society of London, Series B, the research shows that internal incubation allows the cuckoo chick to hatch before...

2009-06-04 13:56:12

Reed warblers learn from neighbors to defend their nests against parasitism from cuckoosReed 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.However, scientists at the University of Cambridge have discovered that reed warblers will attack or 'mob' cuckoos on their territory and so prevent the parasites from...


Latest Brood parasite Reference Libraries

Black-headed Duck
2012-03-22 22:46:19

The Black-headed Duck, (Heteronetta atricapilla), is a species of stiff-tailed duck from the subfamily Oxyurinae and the family Anatidae. It is the only member of its genus Heteronetta. Its habitat is swamps, lakes and marshes in Northern Chile, Paraguay, and Northern Argentina. This species is not considered threatened by the IUCN. The Black-headed Duck is the most primitive member of its subfamily, and lacks the stiff tail and swollen bill seen in its relatives. Though resembling a...

0_f8d3ba628ed69bdbd37cfbbe324665bd
2009-01-17 20:24:10

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....

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