1
by James, Frances C.
Published 2009
American Ornithologists' Union

2
Published 2010
American Ornithologists' Union

3
Published 2010
American Ornithologists' Union

6
by Brown, Charles Robert
Published 2011
American Ornithologists' Union

9
Published 2012
American Ornithologists' Union

13
by Maness, Terri J.
Published 2013
American Ornithologists' Union

18
Published 2013
Conservation International