Digital Commons Network^™

Display Behavior Of Male Calliope Hummingbirds During The Breeding Season, Staffan Tamm, Doug P. Armstrong, Zena J. Tooze May 1989

Site-Related Dominance And Spacing Among Winter Flocks Of Black-Capped Chickadees, Andre Desrochers, Susan J. Hannon May 1989

Reproduction And Demography Of The Florida Everglade (Snail) Kite, Noel F. Snyder, Steven R. Bessinger, Roderick E. Chandler May 1989

Energetics And Water Balance In Free-Living Tropical Hummingbirds, Wesley W. Weathers, F. Gary Stiles May 1989

Two North American Song Populations Of The Marsh Wren Reach Distributional Limits In The Central Great Plains, Donald E. Kroodsma May 1989

Reverse Mounting In Grebes, Gary L. Nuechterlein, Robert W. Storer May 1989

Nesting Success And Habitat Relationships Of Burrowing Owls In The Columbia Basin, Oregon, Gregory A. Green, Robert G. Anthony May 1989

Food Supply And Reproductive Performance Of The American Oystercatcher In Virginia, Erica Nol May 1989

Geographic Variation In The Marbled Godwit And Description Of An Alaska Subspecies, Daniel D. Gibson, Brina Kessel May 1989

News And Notes, The Condor May 1989

Reply To Briggs: The Roles Of Endogenous And Exogenous Nutrient Supplies, Wendy L. Hill May 1989

Goshawk Nest-Site Characteristics In Western Montana And Northern Idaho, Gregory D. Hayward, Ronald E. Escano May 1989

Fecal Sac Removal: Do The Pattern And Distance Of Dispersal Affect The Chance Of Nest Predation, Kenneth E. Petit, Lisa J. Petit, Danier R. Petit May 1989

Great Blue Heron Deaths Caused By Predation On Pacific Lamprey, Blair O. Wolf, Stephanie L. Jones May 1989

Front Matter (Pdf), The Condor May 1989

Front Matter (Pdf), The Condor Feb 1989

Heritability Of Wing Length And Weight In European Bee-Eaters(Merops Apiaster), C. M. Lessells, G. N. Ovenden Feb 1989

Book Reviews, March F. Lawton Feb 1989

Environmental Factors Influencing Nest-Site Preference In White-Browed Sparrow-Weavers (Plocepasser Mahali), J. W. Ferguson, W. R. Siegfried Feb 1989

Parental Attendance And Brood Care In Four Argentine Dabbling Ducks, Frank Mckinney, Gwen Brewer Feb 1989

Reproductive Biology Of Shrubsteppe Passerine Birds: Geographical And Temporal Variation In Clutch Size, Brood Size, And Fledging Success, John T. Rotenberry, John A. Wiens Feb 1989

Mate Fidelity And Breeding-Site Specificity Of The Turquoise-Browed Motmot, Robert F. Martin, Peter E. Scott, Mark W. Martin Feb 1989

Effects Of Helpers On Nestling Care And Breeder Survival In Pygmy Nuthatches, William J. Sydeman Feb 1989

Fall Colony Attendance And Breeding Success In The Common Murre, M. P. Harris, S. Wanless Feb 1989

Contact Zones Of Avian Congeners On The Southern Great Plains, Keith L. Dixon Feb 1989

Body-Mass Variation In Breeding Northern Wheatears: A Field Experiment With Supplementary Food, Juan Moreno Feb 1989

Two New Records Of Birds For Southern Mexico, J. Luis Rangel-Salazar, J. Humberto Vega-Rivera Feb 1989

Notes On The Breeding Of Chestnut-Bellied Herons (Agamia Agami) In Costa Rica, Manuel Marin A. Feb 1989

Mate Feeding By Western And Clark's Grebes, Gary L. Nuechterlein, Robert W. Storer Feb 1989

Intrasexual Aggression And The Mating Behavior Of Brown-Headed Cowbirds: Their Relation To Population Densities And Sex Ratios, David A. Yokel Feb 1989