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Tyrant-flycatchers (Tyrannidae)

Sepia-capped Flycatcher (Leptopogon amaurocephalus) - HBW 9, p. 307

French: Pipromorphe à tête brune German: Braunkappen-Laubtyrann Spanish: Orejero Coronipardo
Other common names: Sepia-capped Leptopogon

Taxonomy: Lept[opogon] amaurocephalus Tschudi, 1846, São Paulo, Brazil.
Races may be divided into three plumage types, “nominate group” (also including pileatus and idius), the single-taxon “diversus group” and “peruvianus group” (with orinocensis); these intergrade with one another, and many specimens from S Mexico closely resemble others from NE Argentina. Differences within populations exceed those alleged to occur among many of the named races; described taxon faustus (Nicaragua S to C Panama) indistinguishable from and merged with pileatus, and obscuritergum (S Venezuela in Amazonas and SE B.. View all taxonomy...

Taxonomy: Lept[opogon] amaurocephalus Tschudi, 1846, São Paulo, Brazil.
Races may be divided into three plumage types, “nominate group” (also including pileatus and idius), the single-taxon “diversus group” and “peruvianus group” (with orinocensis); these intergrade with one another, and many specimens from S Mexico closely resemble others from NE Argentina. Differences within populations exceed those alleged to occur among many of the named races; described taxon faustus (Nicaragua S to C Panama) indistinguishable from and merged with pileatus, and obscuritergum (S Venezuela in Amazonas and SE Bolívar) inseparable from and merged with orinocensis. Six subspecies recognized.

Subspecies and Distribution:

  • pileatus Cabanis, 1865 - humid lowlands from S Mexico and Yucatán Peninsula S to C Panama.
  • idius Wetmore, 1957 - Coiba I, off SW Panama.
  • diversus Todd, 1913 - NC Colombia (from Santa Marta region and Magdalena Valley S to Tolima) and extreme NW Venezuela (Zulia).

     See all 6 subspecies
  • pileatus Cabanis, 1865 - humid lowlands from S Mexico and Yucatán Peninsula S to C Panama.
  • idius Wetmore, 1957 - Coiba I, off SW Panama.
  • diversus Todd, 1913 - NC Colombia (from Santa Marta region and Magdalena Valley S to Tolima) and extreme NW Venezuela (Zulia).
  • orinocensis J. T. Zimmer & Phelps, Sr, 1946 - Venezuela (from S Táchira, Barinas and Portuguesa E to Bolívar and Amazonas), the Guianas and N Brazil (Amapá).
  • peruvianus P. L. Sclater & Salvin, 1868 - E Colombia (S from Norte de Santander), E Ecuador, E Peru, N Bolivia (Beni, La Paz, Cochabamba), and W Brazil (Amazonas and Rondônia E to N Mato Grosso).
  • amaurocephalus Tschudi, 1846 - S & E Brazil (S from Mato Grosso, S Maranhão and Pernambuco), E Bolivia (Santa Cruz S to Tarija), Paraguay and NW & NE Argentina (S to Salta, Jujuy, Misiones and Corrientes).

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