(Phys.org) —William Feeney and Naomi Langmore, researchers with Australia's Research School of Biology, have found that fairy-wrens learn to distrust cuckoos by watching other nearby fairy-wrens react to them. In their ...
Cuckoos are nest parasites, meaning they lay their eggs in other birds' nests. The female cuckoo has to lay eggs that mimic the color, size and shape of the eggs of the host bird. Using a massive data set, including data ...
Plants & Animals
Jan 21, 2016
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Common cuckoos and oriental cuckoos in eastern Russia appear to be expanding their breeding range into western Alaska, where songbirds are naive to the cuckoos' wily ways, researchers report. A new study suggests the North ...
Ecology
May 7, 2018
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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 ...
Plants & Animals
Apr 16, 2012
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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.
Plants & Animals
Apr 14, 2011
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There are other animals besides the cuckoo who smuggle their offspring into another animal's nest. The synodontis multipunctatus, which lives in Lake Tanganyika in Africa and is better known as the cuckoo catfish, is just ...
Ecology
May 10, 2018
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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 ...
Plants & Animals
Oct 16, 2013
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Some birds use a different breeding strategy to others to avoid cuckoos infiltrating their nests, say scientists.
Ecology
Mar 14, 2013
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An international team of researchers has found that some parasitic bird embryos move around more in their eggs than other species, which makes them stronger when they hatch. In their paper published in Proceedings of the ...
(AP) -- Global warming is rescuing the once-rare brown Argus butterfly, scientists say.
Ecology
May 24, 2012
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