【實用書籍app】Audubon Birds and Butterflies - A Field Guide to North American Birds and Butterflies|最夯免費app

The best field guide for the season!Nothing beats Audubon mobile field guides! With 1 million downloads, they are the most trusted authoritative field guide collection in North America. Highest quality at an affordable price.Now you can access two of our most popular subjects in one great app, now with NatureShare, a new community where users are able observe, identify, and share their observations and photos with the NatureShare community. Audubon Birds Featuring 821 species of North American Birds, this comprehensive guide includes the most current and complete information available on species’ identification, behavior, habitat, range, diet, nesting, mating, migration, endangered status and more. Includes an amazing library of bird songs and calls and "Find Birds with eBird," giving you real time sighting information. Plus an advanced gallery view for easy comparison and search; field mark call outs; and NatureShare - a social community of nature enthusiasts who observe, identify, and share their observations and photos in the mobile app and online.Audubon Butterflies Featuring 627 butterflies of North America, this comprehensive guide will help you identify species found in your backyard, parks, gardens, the woods or fields. This app contains in-depth, authoritative information based on the National Audubon Society’s Field Guides to Butterflies with updates by Rick Cech, a natural history author and one of the world's leading butterfly experts. Plus an advanced gallery view for easy comparison and search; and, NatureShare - a social community of nature enthusiasts who observe, identify, and share their observations and photos in the mobile app and online.Features:▪ Professional color photographs detailing every species with extraordinary clarity. ▪ In-depth descriptions of every species, with authoritative information on appearance, habitat, range and much more. ▪ NatureShare allows you to track and annotate your personal sightings by location, and share with friends by email or Facebook. ▪ Advanced search functions by size, color, region, and more. ▪ Extensive reference section includes information on metamorphosis, evolution, observation tips, and detailed diagrams. ■ Includes all of the same content found in the individual apps. About Audubon Guides:A comprehensive suite of digital field apps created in alliance with National Audubon Society. For more information, please see: http://natureshare.com/home.html#apps. About the Developer: The National Audubon Society’s mission is to conserve and restore natural ecosystems, focusing on birds and other wildlife, and their habitats for the benefit of humanity and the earth’s biological diversity.Visit Us Today! www.audubon.orgFacebook: facebook.com/NationalAudubonSocietyTwitter: @audubonsocietyFor any assistance, please email audubonguides@audubon.org

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