Chapter 3 Photo Credit

[1] by Bruno C. Vellutini

[2] by Tim Evanson. Specimen on display in the Smithsonian Museum of Natural History.

[3] by Hans Hillewaert.

[4] by Tiit Hunt.

[5] by Maggie Newman

[6] by Dmitry Bogdanov

[7] by Duane Raver/U.S. Fish and Wildlife Service

[8] Western Arctic National Parklands

[9] by Jason Hollinger

[10] by  Katja Schulz

[11] by Nobu Tamura

[12] by Tim Bertelink

[13] by Ghedoghedo

[14] by Ton Rulkens in Mozambique

[15] by Fred Wierum

[16] by Wolfgang Sauber

[17] by Juhanson