BirdsEye Bird Finding Guide
Birds in the Hand, LLC
Finding Bigfoot
FindB Games
Bigfoot Finding
Filadilfg
Alien Finding
Cubicly Apps & Games
Merlin 鸟种识别 by Cornell Lab
Cornell Lab of Ornithology
Audubon Bird Guide
National Audubon Society
Birda: Birding Made Better
Birda
iNaturalist
eBird by Cornell Lab
BirdNET
Stefan Kahl