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The Auk, Volume 94, Number 2 (1977)

2 (April)


A New Species of Wood-Wren From Peru. 195-201.
John W. Fitzpatrick, John W. Terborgh, David E. Willard.
Reproductive Success of Ospreys in Central Chesapeake Bay. 202-221.
Jan G. Reese.
Plumage and Molt in Shorebirds Summering At Enewetak Atoll. 222-230.
Oscar W. Johnson.
Early Breeding Season Behavior of Red-Headed Woodpeckers. 231-239.
Lawrence Kilham.
Ecological Correlates of Rarity in a Tropical Forest Bird Community. 240-247.
James R. Karr.
Salt Water Tolerance and Water Turnover in the Snowy Plover. 248-255.
James R. Purdue, Howard Haines.
Sounds of Laysan and Black-Footed Albatrosses. 256-269.
Donald W. Sparling, Jr.
Laysan Albatross Breeding Behavior. 270-274.
Eugene A. Lefebvre.
Feeding and Digestive Organ Size in Breeding Lesser Snow Geese. 275-282.
C. D. Ankney.
Ecological Relationships of Small Antbirds in Amazonian Bird Communities. 283-292.
David L. Pearson.
The Cryptic Occipital Spot in the Accipitridae (Falconiformes). 293-303.
John C. Hafner, Mark S. Hafner.
Effect of Cowbird Parasitism on American Goldfinch Nesting. 304-307.
A. L. A. Middleton.
Nestling Biology of the Field Sparrow. 308-319.
Louis B. Best.
The Orientation of Passerine Nocturnal Migrants Following Offshore Drift. 320-330.
Kenneth P. Able.
Pectoral Appendage Myology of the Hawaiian Honeycreepers (Drepanididae). 331-342.
Robert J. Raikow.
Behavior of Ruddy Duck Broods in Utah. 343-349.
David E. Joyner.
Composition of Eggs of Several Bird Species. 350-356.
Robert E. Ricklefs.
Reviews. 396-404.
Obituary. 405.
Correspondence. 405.
Notes and News. 405-407.

General Notes

Photographic Confirmation of Giant Snipe in Argentina. 357.
Ira Joel Abramson.
Reanalysis of Geographic Variation of House Sparrow Energetics. 358-359.
C. R. Blem.
Polygynous Breeding of Short-Billed Marsh Wrens. 359-362.
Richard D. Crawford.
Effects of a Late Spring Storm on a Local Dusky Flycatcher Population. 362.
Robert C. Eckhardt.
Five Bird Species New to Colombia. 363.
J. V. Remsen, Jr.
Relationships Between Egg Pigmentation and Hatching Sequence in the Herring Gull. 363-365.
Michael L. Chamberlin.
Sizes of Snails Eaten by Snail Kites and Limpkins in a Costa Rican Marsh. 365-367.
S. F. Collett.
Abnormal Nest Building in the Eastern Phoebe. 367-369.
Harmon P. Weeks, Jr.
The Effect of Tree Hardness on Woodpecker Nest Entrance Orientation. 369-370.
Richard N. Conner.
Harris' Hawks Lay Three Clutches of Eggs in One Year. 370-371.
William J. Mader.
Nest Site Selection for Prairie Falcons. 371.
Edward J. Pitcher.
Clutch Size Determination, Egg Size, and Eggshell Thickness in the Pie-Billed Grebe. 371-373.
G. N. Fugle, S. I. Rothstein.
American Redstart Feeding by Artificial Light. 373-374.
Laura E. Bakken, George S. Bakken.
Premature Parental Behavior of a Red-Shouldered Hawk. 374-375.
J. Randolph Acker.
Predation on Gulls by Bald Eagles in Washington. 375.
James L. Hayward, Jr., Wm. Humphrey Gillett, Charles J. Amlaner, Jr., John F. Stout.
Foods of Nestling Red-Cockaded Woodpeckers in Coastal South Carolina. 376-377.
Richard F. Harlow, Michael R. Lennartz.
Bilateral Size Dimorphism in House Sparrow Gynandromorphs. 377-380.
Peter E. Lowther.
The Effect of Time of Day on Avian Census Results. 380-383.
William M. Shields.
Homing of Subadult Oldsquaws. 383-384.
R. M. Alison.
Brown-Capped Rosy Finch Nesting in New Mexico. 384-385.
David Paul Hendricks.
Pellet Egestion by a Captive Chimney Swift (Chaetura Pelagica). 385.
Gary E. Duke.
Unusual Foraging by a Fork-Tailed Storm Petrel. 385-386.
Robert Gill Jr.
Additional Records of Brown-Headed Cowbird Nest Parasitism in Louisiana. 386-389.
John W. Goertz.
First North American Record of the Asian Needle-Tailed Swift, Hirundapus Caudacutus. 389.
Clayton M. White, William M. Baird.
Parasitic Jaegers Prey on Adult Ptarmigan. 389-390.
John H. Eisenhauer, Jack Paniyak.
Green Heron Nesting in a Wood Duck Box. 390.
Allan P. Sandilands.
Snowy Egrets Attracted to Prey by Common Terns. 390-391.
Robert I. Bertin.
Possible Ecological Role of Food Caches of Loggerhead Shrike. 391-392.
Roger D. Applegate.
Allopreening in the Black Vulture. 392.
F. Haverschmidt.
Roosting Habits of the Swallow-Tailed Kite. 392.
F. Haverschmidt.
Male Prairie Warbler Dies During Courtship. 393.
Ellen D. Ketterson.
Implications of Recaptures of Broad-Tailed Hummingbirds Banded in Colorado. 393-395.
Nickolas M. Waser, David W. Inouye.
Brown-Headed Cowbird Courting a Purple Martin. 395.
Charles R. Brown.
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