GEORGETTE DOUWMA / Yellowsaddle goatfish {Parupeneus cyclostomus} Egypt, Red Sea.
01553736
Eric Baccega / Pack of Grey wolves (Canis lupus) howling in the snow, captive. Bavarian Forest National Park, Germany, March. Captive.
01500514
Kevin Schafer / Guatemalan Black Howler Monkey (Alouatta pigra) calling, Community Baboon Sanctuary, Belize, Central America. Endangered species.
01448823
Juan Carlos Munoz / Black howler monkeys (Alouatta caraya) male and two females calling from tree, captive, Apenheul Park, Netherlands.
01633262
Dong Lei / Hoolock gibbon (Hoolock tianxing) vocalising whilst sitting in tree. Gaoligong Mountain National Nature Reserve, Yunnan Province, China.
01615377
Andy Rouse / Black Howler Monkey (Alouatta caraya) howling , Pantanal, Brazil
01604293
Loic Poidevin / Golden jackal (Canis aureus) howling in grassland. Danube Delta, Romania, May.
01604292
Loic Poidevin / Golden jackal (Canis aureus) howling in grassland. Danube Delta, Romania, May.
01606888
Ann & Steve Toon / Blackbacked jackal (Canis mesomelas) howling, Kgalagadi Transfrontier Park, Northern Cape, South Africa.
00583787
Sebastian Kennerknecht / Coyote (Canis latrans) pack in territorial howl in winter, Lamar Valley, Yellowstone National Park, Wyoming
00583784
Sebastian Kennerknecht / Coyote (Canis latrans) pack in territorial howl in winter, Lamar Valley, Yellowstone National Park, Wyoming
01586085
Bruno D'Amicis / Wild Apennine wolf (Canis lupus italicus) wolf pup howling from a forest edge in summer. Central Apennines, Abruzzo, Italy. September. Italian endemic subspecies.
01553735
Eric Baccega / Pack of Grey wolves (Canis lupus) howling in the snow, captive. Bavarian Forest National Park, Germany, March. Captive.
