Sibley Field Guide to Birds of Western North America Sibley Mr David
Sibley Field Guide to Birds of Western North America Sibley Mr David COMPLETELY REVISED AND UPDATED: From renowned birder, illustrator, and New York Times best selling author David Sibley, the most…
Specifikacia Sibley Field Guide to Birds of Western North America Sibley Mr David
Sibley Field Guide to Birds of Western North America Sibley Mr David
COMPLETELY REVISED AND UPDATED: From renowned birder, illustrator, and New York Times best selling author David Sibley, the most authoritative guide to the birds of the West, in a portable format that is perfect for the field.Compact and comprehensive, this guide features 715 bird species, plus regional populations, found west of the Rocky Mountains. Each entry has been updated to include the most current information concerning frequency, nesting, behavior, food and feeding, voice description, and key identification features. Entries include stunningly accurate illustrations--more than 5,046 in total--with descriptive captions pointing out the most important field marks.
Here too are more than 652 updated maps drawn from information contributed by 110 regional experts across the continent, and showing winter, summer, year-round, migration, and rare ranges.