Grallaria spatiator Bangs, 1898,

Isler, Morton L., Chesser, Terry, Robbins, Mark B., Cuervo, Andrés M., Cadena, Carlos Daniel & Hosner, Peter A., 2020, Taxonomic evaluation of the Grallaria rufula (Rufous Antpitta) complex (Aves: Passeriformes: Grallariidae) distinguishes sixteen species, Zootaxa 4817 (1), pp. 1-74: 9-10

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Grallaria spatiator Bangs, 1898


Grallaria spatiator Bangs, 1898  , subspecies elevated to species

Sierra Nevada Antpitta

Includes population designated spatiator  in the analysis. Diagnosis. Upperparts and flanks reddish-yellow-brown; anterior underparts paler grading into grayish white posterior underparts. A combination of trilled long and short songs ( Fig. 3View FIGURE 3) distinguishes G. spatiator  from all other taxa in the complex except G. saltuensis  . Trilled long songs of G. spatiator  differ from those of G. saltuensis  by having more notes, faster pace, and a greater decline in frequency of note peaks. Short songs of G. spatiator  appear to differ from those of G. saltuensis  by faster pace and higher initial frequencies of note peaks, although sample sizes were limited.

Distribution. Endemic to Colombia in the Sierra Nevada de Santa Marta in Magdalena, La Guajira, and Cesar, 2200–2900 m.

Plumage. Overall plumage of upperparts, including rectrices, remiges (wing edgings paler), crown and auriculars, dark reddish yellow-brown (7.5Y 4/4–10YR4/3) shading to color of underparts in malar area. Overall plumage of underparts, including undertail coverts, light grayish white tinged brownish yellow; broad breast band brownish yellow (2.5Y–10YR 6/8); flanks like upperparts (specimen photographs App. 6, Figs. A14View FIGURE 14, A33, and A34).

Etymology. The English name Sierra Nevada is a shortened name widely used in Colombia for the Sierra Nevada de Santa Marta, to which this species is restricted. The name was also used by Krabbe et al. (2019).

Remarks. Grallaria spatiator  is specifically distinct based on vocal characters, supported by plumage characters and mtDNA genetic distance of>8.5% from all other populations. See Remarks under Grallaria saltuensis  .