Documentation scientifique
Oiseaux.net
Wikipedia
La faune du Québec
Colibri leucistique
Cornell Lab
Hummingbirds.net
Operation Rubythroat, the hummingbird project
Baguage de colibris
Hilton Pond
Hummingbird Research & Records
The Ontario Hummingbird Project
The great Lakes HummerNet
New England hummer page
The Hummingbird Society
The hummingbird monitoring network
Bird Banding Laboratory