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The return of the Old Man

10,000 Birds

Storks, Ibises and Spoonbills goes on to give greater detail of the former nesting sites in Europe: it could once be found “in southern Germany and Austria, in the valleys of the upper Rhine and Danube Rivers, and in the Alps of Switzerland, Italy and Germany, and perhaps in Hungary and Greece”.

Morocco 215
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The Common Cuckoo and The Evolution of Mimicry

10,000 Birds

The famous bird experts, Thorogood and Davies, carried out an experiment which… reveal that social learning is specific to the cuckoo morph that neighbors mob. Our results suggest that selection for mimicry and polymorphisms comes not only from personal experience but also from social learning.

Hungary 173