Swallow
Videos
The swallows, martins, and saw-wings, or Hirundinidae, are a family of passerine songbirds found around the world on all continents, including occasionally in Antarctica. Highly adapted to aerial feed
Pied winged swallow
The bill of the sand martin is typical for the family, being short and wide.
The lesser striped swallow is a partial migrant within Africa.
A northern rough-winged swallow photographed in central Maine, the northeastern limit of the species' breeding range.
Passerine
Videos
A passerine is any bird of the order Passeriformes, which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their
Swallow
…The swallows, martins, and saw-wings, or Hirundinidae, are a family of passerine songbirds found around the world on all continents, including occasionally in Antarctica. Highly adapted to aerial feeding, they have a distinctive…
Passeriformes 01v 01
Pterylosis or the feather tracts in a typical passerine
Male superb lyrebird (Menura novaehollandiae): This unique songbird shows strong sexual dimorphism, with a peculiarly apomorphic display of plumage in males.
Wieslochia fossil