Family Ovenbirds (Furnariidae)
Near Threatened
Beautiful Treerunner (Margarornis bellulus)
Taxonomy
French: Anabasitte superbe German: Fleckenbrust-Stachelschwanz Spanish: Subepalo bonito
Taxonomy:
Margarornis bellulus
Nelson
, 1912,Cerro Pirre, 4500 feet [c. 1370 m], near head of Río Limón, Darién, Panama
.Distribution:
Serranía de Majé (E Panamá Province), and Cerro Tacarcuna, Cerro Mali, Cerro Pirre, Altos de Quía and Serranía de Jungurudó#R, in extreme E Panama.
Descriptive notes
14–15 cm; 18–19 g. Has buffish-white supercilium extending from supraloral region back to collar, dull reddish-brown postocular line, dark brown auriculars... read more
Voice
A short trill has been heard.
Habitat
Montane evergreen forest, at 1350–1600 m; rarely to 900 m.
Food and feeding
Arthropods. Usually seen in mixed-species flocks. Scansorial; also highly acrobatic, often foraging upside-down on undersides of branches.... read more
Breeding
No information.
Movements
Resident.
Status and conservation
Not globally threatened. Currently considered Near Threatened. Restricted-range species: present in Darién Highlands EBA. Total range (Extent of Occurrence) 220 km2.... read more
Has been thought probably conspecific with M. squamiger, but differs in its larger bill (effect size 4.5, score 2); clearly shorter wing than M. squamiger perlatus, the geographically closest taxon (effect size −2.19, score 2); smaller, less extensive spots on underparts (2); and olive-tinged red-brown vs bright rufous mantle, back, scapulars, wing-coverts and rump (2). Monotypic.