Sexual dimorphism II
Examples of differences in the appearance of males and females of the same species of arthropods, birds and mammals (compare on successive photos).
![Sexual dimorphism II](/resources/medium/750/Sexual-dimorphism-II-5725.jpg)
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Turdus merula
Common Blackbird
Female.
Deutschland, Nordrhein-Westfalen, Köln.
4/6/2014
BE029'03-140406016'JJK
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