Digital Commons Network^™

Temperature Regulation In Newly Hatched Laughing Gulls (Larus Atricilla), William R. Dawson, Jack W. Hudson, Richard W. Hill Apr 1972

Sexual Dimorphism In Accipiter Hawks: A New Hypothesis, Richard T. Reynolds Apr 1972

Publications Received, The Condor Apr 1972

The Bulletin Board, The Condor Apr 1972

Cooper Ornithological Society, The Condor Apr 1972

Change Of Winter Feeding Sites By Individual Brown-Headed Cowbirds, Paul A. Stewart Apr 1972

Testosterone-Induced Singing In Female White-Crowned Sparrows, Michael D. Kern, James R. King Apr 1972

A Northerly Wintering Record Of The Elf Owl (Micrathene Whitneyi), Charles A. Ely, Richard S. Crossin Apr 1972

Die-Off Of Common Murres On The Alaska Peninsula And Unimak Island, Edcar P. Bailey, Glenn H. Davenport Apr 1972

Hovering Behavior By House Finches, Patria A. Taylor Apr 1972

Recovery Of A Pennsylvania-Banded Blue-Gray Gnatcatcher In Western Mexico, Kenneth C. Parkes, Mary H. Clench Apr 1972

Cranial Pneumatization In The Indain Weaver Bird, Ploceus Philippinus, Krishna Biur, J. P. Thapliyal Apr 1972

Prolonged And Bisexual Incubation By California Ospreys, David P. Carber, James R. Koplin Apr 1972

Incubation Schedules Of Four Species Of Calidridine Sandpipers At Barrow, Alaska, David W. Norton Apr 1972

Shortness Of Tail In Red-Crowned Woodpeckers And Their Habit Of Entering Roost Holes Backward, Lawrence Kilham Apr 1972

The Structure And Possible Function Of The Avian Seminal Sac, Alex L. Middleton Apr 1972

Some Temperatures Of Panamanian Birds, Yoshika Oniki Apr 1972

News And Notes, The Condor Apr 1972

Back Matter (Pdf), The Condor Jan 1972

The Photoperiodic Testicular Response Of A Tropical Finch, Zonotrichia Capensis Costaricensis, August Epple, Gordon H. Orians, Donald S. Farner, Robert Alan Lewis Jan 1972

Infrequency Of Pineal Atrophy Among Birds And Its Relation To Nocturnality, W. B. Quay Jan 1972

Ecology And Nesting Behavior Of The Chestnut-Backed Antbird (Myrmeciza Exsul), Edwin O. Willis, Yoshika Oniki Jan 1972

Anna's Hummingbird In Adult Male Plumage Feeds Nestling, Dale Peters Clyde Jan 1972

Influence Of Disturbances In The Earth's Magnetic Field On Ring-Billed Gull Orientation, William E. Southern Jan 1972

Adaptability And Site Tenacity In An Individual Starling, Penelope Williamson Jan 1972

Winter Foraging Ecology Of Mixed Insectivorous Bird Flocks In Oak Woodland In Southern Arizona, George T. Austin, E. Linwood Smith Jan 1972

Age And Sex Determination In Rufous And Allen Hummingbirds, F. Gary Stiles Jan 1972

Nestling Development Of Green Herons At San Blas, Nayarit, Mexico, T. Gonzalo Gavino, Robert W. Dickerman Jan 1972

Yellow-Green Vireo In Arizona, With Notes On Vireo Songs, Donald L. Robbor Jan 1972

News And Notes, The Condor Jan 1972