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
Bird Kind
Bird Kind
★4.4
Idle Bird Park
Idle Bird Park
★4.7
Hummingbird Tracker
Hummingbird Tracker
★3.2
Ultimate Bird Simulator
Ultimate Bird Simulator
★4.2
Hummingbirds HD Wallpaper
Hummingbirds HD Wallpaper
★4.8
OrnitO
OrnitO
★4.6
American Birds Sounds Pro
American Birds Sounds Pro
★4.1
Audubon Bird Guide
Audubon Bird Guide
★4.3
Birds of Europe Field Guide
Birds of Europe Field Guide
★4.0
Pigeon Pop: Bird Life Pet Shop
Pigeon Pop: Bird Life Pet Shop
★4.6
Nature - North America
Nature - North America
★4.1
Eagle Sounds
Eagle Sounds
★4.6
Raptor ID
Raptor ID
★3.6
Bird Finder - All Birds
Bird Finder - All Birds
★4.0
Collins Bird Guide
Collins Bird Guide
★4.2