Molt and Aging Criteria for Four North American Grassland Passerines

by Janet M Ruth, Stephanie L. Jones, Peter Pyle

Prairie and grassland habitats in central and western North America have declined substantially since settlement by Europeans (Knopf 1994) and many of the birds and other organisms that inhabit North American grasslands have experienced steep declines (Peterjohn and Sauer 1999; Johnson and Igl 1997; Sauer, Hines, and Fallon 2007). The species addressed here, Sprague's Pipit (Anthus spragueii), Grasshopper (Ammodramus savannarum) and Baird's (A. bairdii)...

• Format: Paperback
• Language: English
• ISBN: 1479135496
• ISBN13: 9781479135493
• Release Date: August 2012
• Publisher: Createspace Independent Publishing Platform
• Length: 28 Pages
• Weight: 0.20 lbs.
• Dimensions: 0.1" x 8.5" x 11.0"