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
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OrnitO
OrnitO
★4.6
The Hummingbird
The Hummingbird
★4.1
Hummingbirds HD Wallpaper
Hummingbirds HD Wallpaper
★4.8
Birds of Europe Field Guide
Birds of Europe Field Guide
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Bird Wallpapers
Bird Wallpapers
★4.5
Audubon Bird Guide
Audubon Bird Guide
★4.3
Nature - North America
Nature - North America
★4.1
Pigeon Pop: Bird Life Pet Shop
Pigeon Pop: Bird Life Pet Shop
★4.6
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
Bird Journal
Bird Journal
★4.0