BirdsEye Bird Finding Guide
Birds in the Hand, LLC
Finding Bigfoot
FindB Games
Bigfoot Finding
Filadilfg
Alien Finding
Cubicly Apps & Games
Merlin Bird ID par Cornell Lab
Cornell Lab of Ornithology
Audubon Bird Guide
National Audubon Society
Le Guide Ornitho
NatureGuides Ltd
Picture Bird - Bird Identifier
Next Vision Limited
GoBird - Guide to Nearby Birds
Tony Gentilcore
BirdNET
Stefan Kahl