Cucarachero Pechigrís

Identificación

The nominate subspecies of grey-breasted wood wren is 10 to 11.5 cm (3.9 to 4.5 in) long and weighs 13.5 to 17.7 g (0.48 to 0.62 oz). Its crown feathers are dull black with dark brown tips. Its nape and shoulders are a dark olive brown and its lower back, rump, and tail chestnut brown. The tail has blackish bars. It has a long gray-white supercilium, a wide black stripe behind the eye, and black cheeks streaked with pale gray. Its chin and throat are pale gray, the chest and belly a darker gray, and the sides of the belly and the lower flanks a dark buff. The other subspecies differ in size, the intensity of the color of various parts, and the amount, color, and placement of streaking.

Taxonomía

The grey-breasted wood-wren's taxonomy at the subspecies level is unsettled. According to the International Ornithological Committee (IOC), it has 17 subspecies. The Clements taxonomy and Handbook of Birds of the World (HBW) recognize 13 of them. The South American Classification Committee of the American Ornithological Society (SACC/AOS) cites a 2019 publication that "there are as many as 35 lineages within H. leucophrys that could merit recognition as species under some species concepts."

Nombre científico

Henicorhina leucophrys

Autoridad

(Tschudi, 1844)

Orden

Passeriformes

Familia

Troglodítidos

Género

Henicorhina

Distribución y hábitat

The grey-breasted wood-wren has a discontinuous range from east-central and west-central Mexico, through Central America, and in South America east into Venezuela and south to central Bolivia. It inhabits humid montane forest of many types. In elevation it is usually found above 1,500 m (4,900 ft) though it occurs as low as 400 m (1,300 ft) in Colombia and 600 m (2,000 ft) in Mexico. It is found as high as 3,000 m (9,800 ft) in Venezuela and Colombia.

Migración

Especie residente

Comportamiento

Patrón migratorio: Especie residente.

Conservación

Tendencia poblacional: en declive.

Tendencia poblacional

en declive