What exactly is International Migratory Bird Day?

Bibliographic Details
Corporate Author:	U.S. Fish and Wildlife Service
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : [U.S. Fish and Wildlife Service], [2005]
Subjects:	Birds > Migration. Birds > Conservation. Special days.
Online Access:	https://purl.fdlp.gov/GPO/LPS60533

Available Online