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Back Matter (Pdf), The Condor Jul 1977

The Snowshoe Effect" Of The Feathering On Ptarmigan Feet", E. O. Hohn Jul 1977

Statement Of Ownership, The Condor Jul 1977

Geographic Variation Of The Red-Cockaded Woodpecker, Robert M. Mengel, Jerome A. Jackson Jul 1977

A Bird Watcher's Adventures In Tropical America, Alexander F. Skutch Jul 1977

Plumage Sequence And Taxonomy Of Laysan And Nihoa Finches, Richard C. Banks, Roxie C. Laybourne Jul 1977

Rediscovery Of The Crescent-Faced Antpitta In Colombia, Carlos Lehmann V., J. R. Silliman, E. Eisenmann Jul 1977

Snowy Owl Predation On Short-Eared Owls, Simon A. Levin, Jacob E. Levin, Robert T. Paine Jul 1977

Color Preference And Short-Term Learning By Steller's Jays, Mary Slaby, Frank Slaby Jul 1977

Foraging Rates Of Starlings In Two Habitats, C. Barbara Brownsmith Jul 1977

Front Matter (Pdf), The Condor Jul 1977

Comments On The Extinction Of Loxigilla Portoricensis Grandis In St. Kitts, Lesser Antilles, Herbert A. Raffaele Jul 1977

Recent Nestings Of The Merlin In Idaho, Timothy Craig, Frank Renn Jul 1977

Cineradiographic Studies Of Gastric Motility In The Great Horned Owl (Bubo Virginianus), D. D. Rhoades, G. E. Duke Jul 1977

The Bulletin Board, The Condor Jul 1977

Sun Compass Orientation In A Nocturnal Migrant, The White-Throated Sparrow, Kenneth P. Able, Patricia M. Dillon Jul 1977

Peregrine Falcon Sightings In Eastern Peru, Michael Gochfeld Jul 1977

Snow Cover And The Use Of Trees By Spruce Grouse In Autumn, Daniel M. Keppie Jul 1977

Breeding Habitats Of The Wood Thrush And Veery, Robert I. Bertin Jul 1977

The Relationship Of Habitat Quality To Group Size In Hall's Babbler (Pomatostomus Halli), Jerram L. Brown, Russell P. Balda Jul 1977

Seasonal Foraging In A Downy Woodpecker Population, Joseph Travis Jul 1977

News And Notes, The Condor Jul 1977

Statement Of Cash Receipts And Disbursements And Changes In Fund Balances, The Condor Apr 1977

External Markers Of Social Rank In Willow Ptarmigan, Ase Gjesdal Apr 1977

Vocal Response To Predators In Pair-Bonded Carolina Wrens, Eugene S. Morton, Michael D. Shalter Apr 1977

Nesting And Other Habits Of The Bolivian Blackbird (Oreopsar Bolivianus), Gordon H. Orians, Lynn Erckmann, John C. Schultz Apr 1977

Weather-Dependent Foraging Behavior Of Some Birds Wintering In A Deciduous Woodland Horizontal Adjustments, Thomas C. Grubb Jr. Apr 1977

Cooper Ornithological Society, The Condor Apr 1977

The Nest, Eggs, And Relationships Of The Half-Collared Gnatwren (Microbates Cinereiventris), Lloyd F. Kiff Apr 1977

Local Variations In The Time Of Breeding Of Female Blue Grouse, Fred C. Zwickel Apr 1977