Apps like Audubon Bird Guide

Here are some great alternatives to Audubon Bird Guide by National Audubon Society :
Sibley Birds 2nd Edition
Sibley Birds 2nd Edition
★4.0
GoBird - Guide to Nearby Birds
GoBird - Guide to Nearby Birds
★4.1
Roberts Bird Guide 2
Roberts Bird Guide 2
★4.0
Collins Bird Guide
Collins Bird Guide
★4.2
American Birds Sounds Pro
American Birds Sounds Pro
★4.1
Morcombe's Birds of Australia
Morcombe's Birds of Australia
★4.3
Identify Birds,Bird Identifier
Identify Birds,Bird Identifier
★3.7
Vannya-Your Digital Bird Guide
Vannya-Your Digital Bird Guide
★3.6
Sibley Guide to Hummingbirds
Sibley Guide to Hummingbirds
★4.9
Picture Bird - Bird Identifier
Picture Bird - Bird Identifier
★4.6
OrnitO
OrnitO
★4.6
Smart Bird ID
Smart Bird ID
★4.2
Bird Sound Identifier Bird ID
Bird Sound Identifier Bird ID
★4.1
World of Wings
World of Wings
★4.9
Birds Complete Reference Guide
Birds Complete Reference Guide
★3.4
BirdID - Sound Bird Identifier
BirdID - Sound Bird Identifier
★3.6