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The Auk Volume 86, Number 1 January, 1969 |
TOLERANCE OF COLD AND BERGMANN'S RULE (DjVu | PDF)
S. CHARLES KENDEIGH , 13-25
IN MEMORIAM: ROBERT PORTER ALLEN (DjVu | PDF)
ALEXANDER SPRUNT, IV , 26-34
NAVIGATION BY HAWKS MIGRATING IN SPRING (DjVu | PDF)
HELMUT C. MUELLER, DANIEL D. BERGER , 35-40
MYOLOGY OF THE LEG IN SWALLOWS (DjVu | PDF)
ABBOT S. GAUNT , 41-53
BIOENERGETICS OF THE BREEDING CYCLE OF THE RING DOVE (DjVu | PDF)
I. LEHR BRISBIN, JR. , 54-74
WEIGHT LOSS OF BIRDS DURING NOCTURNAL MIGRATION (DjVu | PDF)
D. J. T. HUSSELL , 75-83
TAXONOMIC ASPECTS OF AVIAN HYBRIDIZATION (DjVu | PDF)
LESTER L. SHORT , 84-105
"THAYER'S" GULL IN THE NIAGARA FRONTIER REGION (DjVu | PDF)
ROBERT F. ANDRLE , 106-109
PROCEEDINGS OF THE EIGHTY-SIXTH STATED MEETING OF THE AMERICAN ORNITHOLOGISTS' UNION (DjVu | PDF)
L. RICHARD MEWALDT , 110-124
GENERAL NOTES
Interspecific Territoriality between Bewick's and House Wrens (DjVu | PDF)
RICHARD B. ROOT , 125-127
Nesting Behavior of the Chestnut-and-Black Weaver (DjVu | PDF)
C. F. EAGLESFIELD , 127-129
Notes on the Boat-billed Heron in Surinam (DjVu | PDF)
F. HAVERSCHMIDT , 130-131
The Roseate Spoonbill Breeding in Surinam (DjVu | PDF)
F. HAVERSCHMIDT , Page 131
Grackle Anting with a Mothball (DjVu | PDF)
CHARLOTTE A. DUBOIS , Page 131
Extra Toes on the Halluces of a Common Snipe (DjVu | PDF)
MICHAEL J. FOGARTY , Page 132
Pathological Changes Associated with Birdshot Embedded in Sandpiper Muscle Tissue (DjVu | PDF)
MICHAEL KENT RYLANDER , 132-133
Hairy Woodpeckers Feeding on Pine Seeds (DjVu | PDF)
PATRICK L. STALLCUP , 134-135
Spread-wing Postures in Pelecaniformes, Ciconiiformes, and Falconiformes (DjVu | PDF)
GEORGE A. CLARK, JR. , 136-139
Mississippi Kites Fledge Three (DjVu | PDF)
LENA G. MCBEE , Page 139
Dual Calling by Birds of Paradise (DjVu | PDF)
JAMES J. DINSMORE , 139-140
White-fronted Goose Specimen from Alabama (DjVu | PDF)
THOMAS Z. ATKESON, JR. , Page 141
Prey in Two Screech Owl Nests (DjVu | PDF)
PAUL A. STEWART , Page 141
A Great White Heron in Great Blue Nesting Colony (DjVu | PDF)
GRIFFING BANCROFT , 141-142
Starvation of Alaskan Ruffed and Sharp-tailed Grouse Caused by Icing (DjVu | PDF)
JERRY D. MCGOWAN , 142-143
Nesting Records of the Eared Grebe in Mexico (DjVu | PDF)
ROBERT W. DICKERMAN , Page 144
The Nest and Eggs of the Chocolate Tyrant Neoxolmis Rufiventris (Vieillot) (DjVu | PDF)
GORDON L. MACLEAN , 144-145
The Snowy Plover in Missouri (DjVu | PDF)
DAVID A. EASTERLA , Page 146
Two Male House Sparrows Copulating on Ground with Same Female (DjVu | PDF)
HERVEY BRACKBILL , Page 146
PERIODICAL LITERATURE (DjVu | PDF)
158-177
NOTES AND NEWS (DjVu | PDF)
178-181
Cover to Cover (DjVu)
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Blair
O. Wolf, SORA Coordinator![]() American Ornithologists' Union |