Male northern elephant seals (Mirounga angustirostris) fighting. Pen-and-ink on illustration board. 14.8x21 cm.

Published in:
•   Whitehead, H. 2008. Analyzing Animal Societies. Quantitative Methods for Vertebrate Social Analysis. The University of Chicago Press. 320 p.

To view more animal drawings published in this book, click on the link below, please.

Animal_Societies_2008
Defending with flukes. The Marguerite formation of sperm whales in response to a
killer whale attack. Black-and-white stippling on Bristol board. 10x17.4cm.

Published in:
•   Whitehead, H. 2003. Sperm Whales: Social Evolution in the Ocean. The University of Chicago Press.
•   Boyd, I. L. 2003. Culture Among Sperm Whales? Science, 302: 990.
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