70 research outputs found
Geographical Variation in the Song of the Ruby-Crowned Kinglet
Volume: 36Start Page: 525End Page: 52
Changes and Additions to the \u27List of the Birds of Gallatin County, Montana\u27
Volume: 32Start Page: 238End Page: 23
Ornithological Pronunciation
Volume: 37Start Page: 181End Page: 18
Additions to the Birds of Custer County, Montana
Volume: 33Start Page: 203End Page: 20
Some Suggestions for Better Methods of Recording and Studying Bird Songs
Volume: 32Start Page: 173End Page: 18
Blue-Winged Warbler Feeding a Young Field Sparrow
Volume: 36Start Page: 291End Page: 29
Some Birds of Central Alabama. A List of the Birds Observed from March 7 to June 9, in Portions of Coosa, Clay and Talledega Counties, Alabama
Volume: 25Start Page: 413End Page: 42
Spring Shore-Birds in Connecticut
Volume: 36Start Page: 104End Page: 10
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