Contents
Introductions, Transplants, and Invaders
Charles H. Blake
The Current Status of the Double-crested Cormorant in Utah: a Plea for Protection *
Ronald M. Mitchell
Nesting Density of Common Ravens in the Ridge-valley Region of Virginia
Robert G. Hooper, Hewlette S. Crawford, Dwight R. Chamberlain, and Richard F. Harlow
Trends in Wintering Diurnal Raptor Populations from Central Colorado Christmas Bird Counts
D. W. Stahlecker
The Changing Seasons
James Tate Jr.
The Nesting Season June 1-july 31, 1975
North American Birds
The Return of the Great-tailed Grackle
James Pruitt and Nancy Mcgowan
Books Recent and Forthcoming Books on Birds
North American Birds
Going Places
North American Birds
Bird Finding Guides
Jeanne Gart
Cover
Front Matter (PDF)
North American Birds