Literature references

3 literature references:

Author: Gill, Frank, and Minturn Wright
Year: 2006
Title:
Source: Birds of the World: Recommended English Names
Author:
Year: 2006
Title:
Source: website, AOU Check-List (07-2006)
Author: Dickinson, Edward C., ed.
Year: 2003
Title:
Source: The Howard and Moore Complete Checklist of the Birds of the World, 3rd edition