Birds of Oregon A General Reference Birds of Oregon is the first complete reference work on Oregon s birds to be published since Gabrielson and Jewett s landmark book in Five years in the making this comprehensive volume includes
Birds of Oregon A General Reference David Marshall The encyclopedia of Oregon birds includes not only information about the bird s presence in Oregon but its life and behavior as well as ID specifics. Dark eyed Junco Identification, All About Birds, Cornell Adult male Oregon Medium sized sparrow with round head, small, pale bill, and long tail with white outer feathers Oregon form of western North America has dark Oregon Oregon r n ORR ih g n is a state in the Pacific Northwest region on the West Coast of the United States.The Columbia River delineates much of Oregon s northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho.The parallel north delineates the southern boundary with California and Nevada.
Title: Birds of Oregon: A General Reference
Author: Mathew G. Hunter Mathew G. Hunter
Birds of Oregon is the first complete reference work on Oregon s birds to be published since Gabrielson and Jewett s landmark book in 1940 Five years in the making, this comprehensive volume includes individual accounts of the 485 species now known to occur in Oregon about 150 than in 1940 , including detailed accounts of the 350 species that regularly occur and briBirds of Oregon is the first complete reference work on Oregon s birds to be published since Gabrielson and Jewett s landmark book in 1940 Five years in the making, this comprehensive volume includes individual accounts of the 485 species now known to occur in Oregon about 150 than in 1940 , including detailed accounts of the 350 species that regularly occur and briefer accounts of another 135 species that are considered vagrants and wanderers, and thus accidental in Oregon A separate chapter covers extirpated and questionable species as well as those which have been introduced but have not become established.Oregon is long overdue for a book of this kind Although northern states generally support fewer species of birds than southerly ones, Oregon ranks fifth behind only Florida, New Mexico, Texas, and California in terms of numbers of species This is due to its varied climate, its wide range of habitats, and the mild winters over much of the state, which make it an important wintering area.Birds of Oregon is not a field guide for identifying birds, although it describes the appearance and any unique or special characteristics of each species, and approximately 100 species are illustrated with attractive line drawings Instead, it compiles and presents in a single large volume what is known today about the population status and distribution of each species, as well as their habitat requirements and diet, their seasonal activities and behavior, where and how they might be found, and any conservation problems It includes about 200 range maps that reflect the work of than 700 volunteers who participated in the Oregon Breeding Bird Atlas project, as well as othersources Subspecies of which Oregon has many because of the variability of the state s avian habitats are listed with their ranges, thus providing the first accounting of subspecies in the state since 1957.In addition to the species accounts, Birds of Oregon also includes a discussion of changes among Oregon s birds since 1940 and a description of the state s nine ecoregions and how they relate to bird species.Approximately 100 contributing authors volunteered their time and expertise to create Birds of Oregon, and numerous other individuals reviewed drafts of the species accounts to insure that they are as accurate and up to date as possible.Although heavily referenced with approximately 4,000 literature citations, Birds of Oregon is written in nontechnical language and will appeal to a broad audience, including birders, wildlife biologists, land managers, conservationists, naturalists, hunters, and wildlife enthusiasts in general.