Image shows a variety of cuckoo finches each adapted to mimic a different host species or colour morph

Biological arms races in birds

13 April 2011

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.

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trawl

Trawling survives selling previously discarded fish

03 August 2010

Fishermen barely eking out a profit because of overfishing of their target stock, shrimp, are now surviving by selling their bycatch (the low-value fish also caught in the large, indiscriminate nets). Although good for the fishermen, scientists warn that the prolonged trawl fishing along certain areas will lead to an "ecological catastrophe" and the "permanent loss of livelihoods for fishers" as well as other individuals who work in the industry.

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The Cowbird's Nest

Bird’s eye view of how cuckoos fool their hosts

23 April 2010

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 its nest.

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nest

Mother knows best even before birth

10 March 2010

Mother birds communicate with their developing chicks before they even hatch by leaving them messages in the egg, new research by a team from the Department of Zoology, University of Cambridge, has found.

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