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 ...

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 Council, ...

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 driven by an unwanted ...

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.

Treasure trove of wildlife found in Peru park

The Wildlife Conservation Society's (WCS) Peru program announced today the discovery of 365 species previously undocumented in Bahuaja Sonene National Park (BSNP) in southeastern Peru.

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 Lasioglossum ...

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 University.

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