MICHAEL C. McGRANN, JAMES H. THORNE (Author) ELEVATIONAL RANGES OF BIRDS ALONG CALIFORNIA’S PACIFIC CREST TRAIL PDF
DANIEL S. COOPER, LINNEA S. HALL, ADAM J. SEARCY (Author) A POPULATION CENSUS OF THE CACTUS WREN IN VENTURA COUNTY, CALIFORNIA PDF
TED FLOYD (Author) DOCUMENTATION BY SOUND SPECTROGRAM OF A CRYPTIC TAXON, VIREO G. GILVUS, IN BOULDER COUNTY, COLORADO PDF
JAMES R. TIETZ (Author) BOOK REVIEW: Birds of the Sierra Nevada: Their Natural History, Status, and Distribution PDF
