1
by Oates, John F.
Published 2004
Conservation International Wildlife Conservation Society

3
by Rodrigues, Ana S. L.
Published 2003
Conservation International

4
Published 2007
Conservation International

5
Published 2007
Conservation International

6
Published 2007
Conservation International

7
Published 2007
Conservation International

8
Published 2006
American Ornithologists' Union

9
by Spear, Larry B.
Published 2007
American Ornithologists' Union

10
Published 2006
American Ornithologists' Union

11
Published 2007
American Ornithologists' Union

12
Published 2008
The American Society of Plant Biologists

13
by Askins, Robert A.
Published 2007
American Ornithologists' Union

14
by Apanius, Victor
Published 2008
American Ornithologists' Union

15
Published 2009
Conservation International

16
Published 2008
Conservation International

17
Published 2008
Conservation International

18
Published 2009
Conservation International

19
Published 2013
Conservation International

20
Published 2013
Conservation International