The scissor-tailed flycatcher (Tyrannus forficatus), known as swallow-tailed flycatcher or scissorstail, is a long-tailed insectivorous bird of the genus Tyrannus, whose members are collectively referred to as kingbirds. It is found in North and Central America, and is Oklahoma's State Bird.

Taxonomy

The scissor-tailed flycatcher was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with the flycatchers in the genus Muscicapa and coined the binomial name Muscicapa forficata. The specific epithet is from Latin forfex, forficis meaning "a pair of scissors". Gmelin based his description on "Le moucherolle à queue fourchue du Mexique" (French: "the Mexican swallow-tailed flycatcher") that had been described in 1778 by the French polymath Comte de Buffon from a specimen from Mexico and illustrated with a hand-coloured engraving by François-Nicolas Martinet.

The scissor-tailed flycatcher is now one of 13 species placed in the kingbird genus Tyrannus that was introduced in 1799 by Bernard Germain de Lacépède. The species is monotypic: no subspecies are recognised.

Hybridization

In eastern Arkansas and western Tennessee, there is a hybrid breeding zone where the scissor-tailed flycatcher and the western kingbird are sympatric and possibly compete for the same niche. Both these species have simultaneously expanded their breeding ranges eastward over the past 50 years.

Distribution and habitat

Their breeding habitat is open shrubby country with scattered trees in the south-central states of Texas, Oklahoma, Kansas, western portions of Louisiana, Arkansas, and Missouri west to far eastern New Mexico and northeastern Mexico. Reported sightings record occasional stray visitors as far north as southern Canada and Upstate New York, as far east as Florida and Georgia, and in the West Indies. They migrate through Texas and eastern Mexico to their winter non-breeding range, from southern Mexico to Panama. Pre-migratory roosts and flocks flying south may contain as many as 1000 birds.

  • Scissor-tailed flycatcher - Tyrannus forficatus - USGS Patuxent Bird Identification InfoCenter
  • for El Salvador, Nicaragua, United States at bird-stamps.org
  • Birds of Oklahoma: Scissor-tailed Flycatcher, Oklahoma's State Bird (with link to image gallery)