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A Stochastic Model Of Leaf-Scratching Bouts In Two Emberizine Species, Jack P. Hailman Sep 1974

Analysis And Comparison Of Gaits In Whistling Ducks (Dendrocygna), M. Kent Rylander, Eric G. Bolen Sep 1974

The Effects Of Superimposed Magnetic Fields On Gull Orientation, William E. Southern Sep 1974

Entry And Exit Of Syringophilid Mites (Acarina: Syringophilidae) From The L Umen Of The Quill, Stanley D. Casto Sep 1974

Aerial Hunting By Little Blue Herons, Douglas W. Mock Sep 1974

Recent Breeding Of The Sandhill Crane In North Dakota, Robert C. Fields, Alan K. Trout, Darold T. Walls Sep 1974

Use Of Artificial Nest Structures By Everglade Kites, Paul W. Sykes Jr., Roderick Chandler Sep 1974

Occurrence Of Swainson's Hawk Substantiated In New Jersey, William S. Clark Sep 1974

Notes On Asynchronous Hatching And Nestling Mortality In White-Necked Ravens, Richard Mishaga Jun 1974

Hemispingus Parodii, A New Species Of Tanager From Peru, John S. Weske, John W. Terborgh Jun 1974

Tantalus Milneedw Ardsii Shufeldt-A Synonym Of The Miocene Pheasant Miophasianus Altus (Milne-Edwards), Storrs L. Olson Jun 1974

Winter Bird Densities On North And South Slopes, William M. Shields, Thomas C. Grubb Jr. Jun 1974

Eggshell Removal And Nest In Ring Doves, William A. Montevecchi Jun 1974

Avian Eggshell Thickness: Variability And Sampling, Erwin E. Klaas, Harry M. Ohlendorf, Robert G. Heath Jun 1974

First Record Of Sabine's Gull In Nevada, William H. Clark, Keith I. Giezentanner, James L. Hainline Jun 1974

Unusual Prey Of Common Terns: Swim-Bladders Of Large Fish, I. C. T. Nisbet Jun 1974

Use Of Native Plants By Monk Parakeets In New Jersey, William M. Shields, Thomas C. Grubb Jr., Anthony Telis Jun 1974

The Question Of Possible Surplus Females In Breeding Red-Winged Blackbirds, Larry C. Holcomb Jun 1974

Scaly-Leg (Knemidokoptiasis) In A Population Of Evening Grosbeaks, Steven W. Carothers, N. Joseph Sharber, Gene F. Foster Jun 1974

Notes On Parental Behavior And Development Of The Young In The Wood Thrush, Val Nolan Jr. Jun 1974

Foot-Scute Differences Among Certain North American Oscines, George A. Clark Jr. Jun 1974

Probable Predation By Swainson's Hawks On Swimming Spadefoot Toads, Owen J. Sexton, Ken R. Marion Jun 1974

Vocal Mimicry In The Violaceous Euphonia, Euphonia Violacea, Barbara K. Snow Jun 1974

A Specimen Of Larus Glaucescens From Hudson Bay, Joseph R. Jehl Jr. Jun 1974

Evidence Of The Breeding Of Saw-Whet Owls In Western North Carolina, Marcus B. Simpson, Peter G. Range Jun 1974

Ornithological Literature, Wilson Bulletin Jun 1974

Molt Schedule Of House Sparrows In Northwestern Texas, Stanley D. Casto Jun 1974

Play In Hairy, Downy, And Other Woodpeckers, Lawrence Kilham Mar 1974

Characteristics And Reproductive Biology Of Grosbeaks (Pheucticus) In The Hybrid Zone In South Dakota, Bertin W. Anderson, Raymond J. Daugherty Mar 1974

Ornithological Literature, Wilson Bulletin Mar 1974