Doug Wechsler / Cracker butterfly camouflaged on bark {Hamadryas sp} Costa Rica

Anup Shah / Hamadryas baboons display red bottoms {Papio hamadryas} C

Anup Shah / Hamadryas baboon {Papio hamadryas} with baby. Occurs Ethiopia, East Africa

Anup Shah / Hamadryas baboons grooming with young chewing stick {Papio hamadryas}

Anup Shah / Hamadryas baboon face portrait {Papio hamadryas}

Anup Shah / Hamadryas baboon young playing {Papio hamadryas}

Anup Shah / Hamadryas baboon carrying baby {Papio hamadryas}

Anup Shah / Hamadryas baboon portrait {Papio hamadryas}

Anup Shah / Hamadryas baboon male threat display {Papio hamadryas} baring teeth

Suzi Eszterhas / Hamadryas baboon (Papio hamadryas), mother and baby examining rock. Native to Africa. Captive.

Denis-Huot / Olive baboon (Papio hamadryas anubis), male jumping above a river, Masai-Mara game reserve, Kenya

Eladio Fernandez / Caribbean cracker butterfly (Hamadryas amphicloe) resting upside down on tree trunks, Dominican Republic.