Sexual dimorphism I
Examples of differences in the appearance of males and females of the same species of birds, mammals and insects (compare on the same photo).
![Sexual dimorphism I](/resources/medium/750/Sexual-dimorphism-I-270.jpg)
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Otaria flavescens
South American sea lion
Argentina, Tierra del Fuego, Canal Beagle.
1/28/2012
CS001'02-120128426'JJK
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