Sibley Birds East 20459 Solid Swivel Connector with Patented

Solid Swivel Connector with Patented 5-hole Length Adjustment

Large Pit Zips for Easy Venting

Padded Sleeve Fits Most 15-Inch Laptops

Developed using All Terrain Contagrip®

cuffs and pockets lined with soft brushed tricot for exceptional warmth and against-the-skin comfort

Sibley Birds East 20459 Solid Swivel Connector with PatentedThe Sibley Field Guide to Birds of Eastern North America is for all birders seeking an authoritative guide to the birds of the east in a portable format that is easy to carry into the field. Compact and comprehensive, this guide features 650 bird species, plus regional populations, found east of the Rocky Mountains. Entries include stunningly accurate illustrationsmore than 4,601 in totalwith descriptive captions pointing out the most important field