Caatinga Antwren new species Caatinga Antwren
Herpsilochmus pileatus is locally uncommon in caatinga scrub and deciduous woodland in interior north-east Brazil up to 1,000 m. It has been recorded from Barra do Corda in central Maranhão, Serra do Cachimbo in south Pará, Chapada de Araripe and Várzea Formosa in Ceará, and several localities in ce.....[read more]

Foothill Elaenia new species Foothill Elaenia
Myiopagis olallai is known from four areas along the eastern slopes of the Andes: three sites on the slopes of Volcán Sumaco, Napo; near Zamora; at 1200 m above Bermejo in Sucumbíos province, Ecuador, and in Apurímac in southern Peru. It occurs between 890 and 1,500 m within and at the edge of very .....[read more]

Gunnison Sage-Grouse new species Gunnison Sage-Grouse
The Gunnison Sage-Grouse (Centrocercus minimus) is described as a new species from southwestern Colorado and contrasted with the Sage-Grouse (Centrocercus urophasianus) from northern Colorado and western North America. Gunnison Sage-Grouse differ from all other described sage-grouse (C. u. urophasia.....[read more]

Scarlet-banded Barbet new species Scarlet-banded Barbet
Capito wallacei is known only from an isolated, unnamed ridge system to the east of the Cordillera Azul, Ucayali Department, Peru. The ridge is on the east bank of the upper Río Cushabatay, 77 km west-north-west of Contamana in Loreto. The ridge is long (>50 km) and narrow and, in spite of searches.....[read more]

Starry Owlet-nightjar new species Starry Owlet-nightjar
[article abtract] I studied the systematic relationships of the three large owlet-nightjars (Aegothelidae) to determine the taxonomic status of a fawn-colored lowland form currently classified as Aegotheles insignis tatei. I examined most of the existing specimens of A. i. insignis (n = 158) and A. .....[read more]

Taiwan Bush-warbler new species Taiwan Bush-warbler
A bush-warbler of the genus Bradypterus, known from the mountains of Taiwan since 1917, has never been formally named as a distinct taxon. Songs of the Taiwan population differ strikingly from those of its Asian congeners in being much clearer, sweeter, more piercing, and in having a very different .....[read more]