Mantled Howler Monkey
Tom Brakefield
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Jan Lindblad
Mantled Howler Monkey
Art Wolfe
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J. Gerard Sidaner
Red Howler Monkey
M. Watson
Red Howler Monkey #1
William H. Mullins
Red Howler Monkey
Karl Weidmann
Guatemalan Howler Monkey
Thomas And Pat Leeson
Red Howler Monkey
Jan Lindblad
Red Howler Monkey
William H. Mullins
Black Howler Monkeys
Roger Hall
Mantled Howler Monkey #2
B.G. Thomson
Mantled Howler Monkey #1
Ivan Kuzmin
Mantled Howler Monkey
Theodore Clutter
Mantled Howler Monkey
Ivan Kuzmin
Mantled Howler Monkey #1
B.G. Thomson
Mantled Howler Monkey
B.G. Thomson
Red Howler Monkey
Art Wolfe
Mantled Howler Monkey #1
Art Wolfe
Black Howler Monkey
Art Wolfe
Black Howler Monkey
B.G. Thomson
Black Howler Monkey #1
Mark Newman
Black Howler Monkey
Mark Newman
Red-handed Howler Monkey, Brazil
Gregory G. Dimijian, M.D.
Baby Mantled Howler Monkey Climbing Tree
Ivan Kuzmin
Mantled Howler Monkey Eating Leaves #2
Ivan Kuzmin
Mantled Howler Monkey Eating Leaves
Ivan Kuzmin
Mantled Howler Monkey Eating Leaves #1
Ivan Kuzmin
Baby Mantled Howler Monkey In Tree
Ivan Kuzmin
Mantled Howler Monkey Eating Leaves #3
Ivan Kuzmin
Mantled Howler Monkey Eating Leaves #4
Ivan Kuzmin
Mantled Howler Monkey Baby
Art Wolfe
Guatemalan Black Howler
Art Wolfe
Baby Mantled Howler Eating Leaves
Ivan Kuzmin
Mantled Howler Monkey Alouatta Palliata
Nhpa