Philip N. Cohen:
Mantled Howler Monkey in Puerto Viejo de Talamanca, Costa Rica
Philip N. Cohen:
Mantled Howler Monkey in Puerto Viejo de Talamanca, Costa Rica
Philip N. Cohen:
Mantled Howler Monkey, Cahuita National Park, Costa Rica
Philip N. Cohen:
Mantled Howler Monkey, Cahuita National Park, Costa Rica
Philip N. Cohen:
Mantled Howler Monkey and infant, Cahuita National Park, Costa Rica
Philip N. Cohen:
Mantled Howler Monkey eating guava at the beach in Puerto Viejo de Talamnca