Birds find ways to avoid raising cuckoos' young
A magpie's guide to avoiding cuckoo parasitism
Secrets of the museum: Historical insect collections reveal several bee species in decline
(Phys.org)—Countless drawers containing hundreds of thousands of bee specimens lie in insect museums and private collections across North America, some dating back to the 1800's. These historical collections ...
Oct 18, 2012
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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 ...
Aug 30, 2012
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Cuckoo tricks to beat the neighborhood watch
To minimise the chance of being recognised and thus attacked by the birds they are trying to parasitize, female cuckoos have evolved different guises. The new research, funded by the Natural Environment Research ...
Aug 02, 2012
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Global warming winner: Once rare butterfly thrives
British ornithologists track cuckoo birds migration route
(Phys.org) -- Nowhere it seems, are bird watchers more enthusiastic than in Britain, where groups congregate to watch and discuss the most intimate details of their favorite fowl. Of consternation to such ...
May 07, 2012
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Parasite arms race spurs color change in bird eggs
The eggs laid by two African bird species have evolved different color patterns over a period of just 40 years, according to new research published in The American Naturalist. The quick change appears to be ...
Apr 16, 2012
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Featherweight songbird is a long-distance champ
A tiny songbird weighing just two tablespoons of sugar migrates from the Arctic to Africa and back, a distance of up to 29,000 kilometres (18,000 miles), scientists reported on Wednesday.
Feb 15, 2012
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Treasure trove of wildlife found in Peru park
Researcher identifies 11 new sweat bee species
(PhysOrg.com) -- When a scientist discovers a new species, one of hardest tasks is naming it. A Cornell researcher faced this challenge many times over when he discovered 11 new U.S. sweat bee species (subgenus ...
Nov 15, 2011
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Biological arms races in birds result in sophisticated defenses against cuckoos
New research reveals how biological arms races between cuckoos and host birds can escalate into a competition between the host evolving new, unique egg patterns (or 'signatures') and the parasite new forgeries.
Apr 14, 2011
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Cuckoos evolve to fool angry birds
(PhysOrg.com) -- Australian cuckoo birds have taken a new evolutionary step – mimicking the color of their host young to avoid certain death, according to a study by researchers from The Australian National ...
Jan 12, 2011
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Researchers crack cuckoo egg mystery
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 ...
Sep 22, 2010
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Scientists get bird's-eye view of how cuckoos fool their hosts (w/ Video)
Using field experiments in Africa and a new computer model that gives them a bird's eye view of the world, Cambridge scientists have discovered how a bird decides whether or not a cuckoo has laid an egg in ...
Apr 26, 2010
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