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Western Birds   Volume 23 Number 1, 1992

A MAXIMUM ESTIMATE OF THE CALIFORNIA GNATCATCHER'S POPULATION SIZE IN THE UNITED STATES (PDF)
JONATHAN L. ATWOOD,  1-10

NOTES ON THE BIRDS OF SAN IGNACIO LAGOON, BAJA CALIFORNIA SUR, MEXICO (PDF)
GUSTAVO D. DANEMANN, JUAN R. GUZMAN POO,  11-20

GEOGRAPHIC VARIATION IN HIRUNDO PYRRHONOTA (CLIFF SWALLOW) FROM NORTHERN NORTH AMERICA (PDF)
M. RALPH BROWNING,  21-30

NOTES

SOUTHERNMOST RECORDS OF WESTERN AND YELLOW-FOOTED GULLS (PDF)
STEVE N. G. HOWELL, SOPHIE WEBB,  31-32

TIDEWATER BREEDING RECORDS OF THE WESTERN GREBE NEAR VANCOUVER, BRITISH COLUMBIA (PDF)
WAYNE C. WEBER, JOHN IRELAND,  33-34

WHITE-WINGED CROSSBILL BREEDING IN SOUTHERN COLORADO, WITH NOTES ON JUVENILES' CALLS (PDF)
JEFFREY G. GROTH,  35-38

THE STATUS OF THE FRANKLIN'S GULL IN IDAHO (PDF)
DANIEL M. TAYLOR,  39-40

BREEDING BIRD RECORDS FROM MONTAGUE ISLAND, NORTHERN GULF OF CALIFORNIA (PDF)
EDUARDO PALACIOS, ERIC MELLINK,  41-44

BIRDS OF THE LOWER COLORADO RIVER VALLEY (PDF)
GUY MCCASKIE,  45-48

FRONT MATTER (PDF)

BACK MATTER (PDF)

 

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Blair O. Wolf, SORA Coordinator Western Field Ornithologists