• Hummingbird literature
  • Hummingbirds.net
  • Wikipedia
  • Operation Rubythroat, the hummingbird project
  • 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