The Northern saw-whet owl (Aegolius acadicus) is a small owl native to North America. Saw-whet owls are one of the smallest owl species in North America. These adorable owls can be found in dense thickets, often at eye level, and are often in danger...
The boreal owl or Tengmalm's owl (Aegolius funereus ) is a small owl in the "true owl" family Strigidae. It is known as the boreal owl in North America and as Tengmalm's owl in Europe after Swedish naturalist Peter Gustaf Tengmalm or, more rarely,...
The Bermuda saw-whet owl (Aegolius gradyi ) was a species of owl that was endemic to Bermuda. It was described from fossil records and explorer accounts of the bird in the 17th century. The cause of its extinction is unknown, but it may have been...
The unspotted saw-whet owl (Aegolius ridgwayi ) is a small "typical owl" in subfamily Surniinae. It is found in Costa Rica, El Salvador, Guatemala, Mexico, and Panama.
The buff-fronted owl (Aegolius harrisii ) is a small owl. It is found in widely separated areas in every South American country except French Guiana and Suriname.