Author

–

Year

–

Title

CDP.

Source

database;CDP. version. 1999

Author

–

Year

2005

Title

AOU Check-List (07-2005)

Source

website; American Ornithologists' Union's "LIST OF THE 2,037 BIRD SPECIES (WITH SCIENTIFIC AND ENGLISH NAMES) KNOWN FROM THE A.O.U. CHECK-LIST AREA" (AOU Check-list, 7th edition, updated with Supplements 42-46), maintained at http://www.aou.org/

Author

Gill, Frank, and Minturn Wright

Year

2006

Title

–

Source

Birds of the World: Recommended English Names; ix + 259