21
Published 2007
Conservation International

22
Published 2009
Conservation International

23
Published 2008
Conservation International

24
by VanderWerf, Eric A.
Published 2012
American Ornithologists' Union

25
Published 2012
American Ornithologists' Union

26
by Mathewson, Heather A.
Published 2013
American Ornithologists' Union

27
by Svensson-Coelho, Maria
Published 2013
American Ornithologists' Union

28
by Zusi, Richard L.
Published 2013
American Ornithologists' Union

29
by Maness, Terri J.
Published 2013
American Ornithologists' Union

30
by Fifield, David A.
Published 2014
American Ornithologists' Union

31
Published 2008
Conservation International

32
Published 2009
Conservation International

33
Published 2009
Conservation International

34
Published 2009
Conservation International

35
Published 2009
Conservation International

36
Published 2009
Conservation International

38
Published 2009
Conservation International

39
Published 2010
Conservation International

40
Published 2012
Conservation International