【實用書籍app】Peterson Backyard Birds - A Field Guide to Birds of North America|最夯免費app-綠色工廠好玩App

Quickly identify over 160 common birds seen in the backyards of North America, with Roger Tory Peterson's innovative identification system, time-tested illustrations, and our unique display of similar looking birds for fast visual comparison. And, it's free!

"a must for bird watchers" Appolicious.com

"This is a better app than any bird watching app I have."

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The best value bird app in the iTunes store. Illustrations, birds songs, range maps, and nest photos for over 160 species of North American backyard birds on your on your iPhone, iPod touch, and iPad, from the best selling print field guide Peterson Field Guide to Birds of North America.

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Want to know what birds are in your backyard this week? Download BirdFinder checklists from petersonguides.com to see show birds for every county in US and Canada, by week of the year!

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Peterson Feeder Birds of North America is the most comprehensive and innovative free bird guide available on a mobile device.

▶ Peterson Feeder Birds is the only app that lets you compare similar species by sight, song, and range from one screen

▶ New tutorial in v1.1

▶ New iPhone 5 and retina display support in v1.1

▶ Swipe through page after page of meticulously organized illustrations so you can ID backyard birds faster

▶ Who wants to type in bird names in the field? Our one-tap QuickFind index takes you straight to the birds you want

▶ Make our app your app — add your photos to each bird species, make custom lists of birds and save them to your home screen, save search results as lists, share lists with friends, move icons around the home screen, change the font size, change the position of toolbar icons to suit left-handed or right-handed use, record your sightings and check birds off your life list

▶ What's going on in your neighborhood this week? Download lists showing every bird recorded in your county in the Cornell University eBird.org database, with details showing frequency for every week of the year. See petersonguides.com/BirdFinder for more information

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Peterson Feeder Birds of North America is the official Peterson Field Guide app for backyard birds. It features illustrations and commentary by Roger Tory Peterson and includes information from the following books:

Peterson Field Guide to Birds of North America

Peterson Reference Guide to Molt in North American Birds

Peterson Field Guides Hawks North America

Peterson Field Guides Hummingbirds of North America

Peterson Field Guides Warblers of North America

Peterson Field Guides Eastern Bird’s Nests

Peterson Field Guides Western Bird’s Nests

Peterson Field Guides Feeder Birds Eastern North America

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Got questions?

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