Mark Raycroft / Beagle (Canis familiaris) puppy howling
01356897
Jeff Wilson / Adult Arctic wolf (Canis lupus) howling on tundra landscape, Ellesmere Island, Nunavut, Canada, June 2008, Taken on location for the BBC series, Frozen Planet.
01356896
Jeff Wilson / Adult Arctic wolf (Canis lupus) howling on tundra landscape, Ellesmere Island, Nunavut, Canada, June 2008, Taken on location for the BBC series, Frozen Planet.
00452013
Pete Oxford / Mexican Black Howler Monkey (Alouatta pigra) male calling, Belize
00452021
Pete Oxford / Mexican Black Howler Monkey (Alouatta pigra) in tree showing prehensile tail, Belize
00452020
Pete Oxford / Mexican Black Howler Monkey (Alouatta pigra) mother with baby is also carrying baby from second female, Belize
00452019
Pete Oxford / Mexican Black Howler Monkey (Alouatta pigra) mother with baby is also carrying baby from second female, Belize
00452018
Pete Oxford / Mexican Black Howler Monkey (Alouatta pigra), Belize
00452017
Pete Oxford / Mexican Black Howler Monkey (Alouatta pigra) feeding on leaves while hanging from prehensile tail, Belize
00452015
Pete Oxford / Mexican Black Howler Monkey (Alouatta pigra), Belize
00452014
Pete Oxford / Mexican Black Howler Monkey (Alouatta pigra) feeding on leaves, Belize
01317819
Pete Oxford / Pet Red-faced / Guyana spider monkey (Ateles paniscus) howling, captive, wild caught, Part of legal pet trade, Georgetown, Guyana
