Order: PasseriformesFamily: Hirundinidae

The family Hirundinidae is a group of passerines characterized by their adaptation to aerial feeding. These adaptations include a slender streamlined body, long pointed wings and short bills with a wide gape. The feet are adapted to perching rather than walking, and the front toes are partially joined at the base.

Albatrosses
Swallows and martins
Kingfishers
Mockingbirds and thrashers