Apps like Sibley Guide to Hummingbirds

Here are some great alternatives to Sibley Guide to Hummingbirds by mydigitalearth.com :
Hummingbird Wallpaper
Hummingbird Wallpaper
★5.0
Idle Bird Park
Idle Bird Park
★4.7
Ultimate Bird Simulator
Ultimate Bird Simulator
★4.2
Birds of Europe Field Guide
Birds of Europe Field Guide
★4.0
OrnitO
OrnitO
★4.6
The Hummingbird
The Hummingbird
★4.2
Identify Birds,Bird Identifier
Identify Birds,Bird Identifier
★3.7
Hummingbirds HD Wallpaper
Hummingbirds HD Wallpaper
★4.7
Audubon Bird Guide
Audubon Bird Guide
★4.3
American Birds Sounds Pro
American Birds Sounds Pro
★4.1
Bird Wallpapers
Bird Wallpapers
★4.5
Nature - North America
Nature - North America
★4.1
Vannya-Your Digital Bird Guide
Vannya-Your Digital Bird Guide
★3.6
Collins Bird Guide
Collins Bird Guide
★4.2
Raptor ID
Raptor ID
★3.5
Bird Finder - All Birds
Bird Finder - All Birds
★4.0