Star-chested treerunner
species of bird
The star-chested treerunner or fulvous-dotted treerunner (Margarornis stellatus) is a Near Threatened species of bird in the family Furnariidae. It is found in Colombia and Ecuador.
Taxononomy and systematics
The star-chested treerunner is monotypic.
Description
The star-chested treerunner is 13 to 15 cm (5.1 to 5.9 in) long and weighs 21 to 22 g (0.74 to 0.78 oz). The sexes have the same plumage. Adults have a wide but indistinct dull rufescent brownish supercilium, dull reddish brown ear coverts, and a more rufescent moustacial area. Their crown is dark reddish brown and their upperparts slightly paler. Their wing coverts are reddish brown, their primary coverts dark fuscous, and their flight feathers dark fuscous with dark rufescent edges. Their tail is dark reddish brown; the ends of the tail feathers lack barbs, giving a spiny appearance. Their throat is whitish.
This brief starts where responsible research should: with the source description of “Star-chested treerunner” as species of bird. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as species of bird. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Oct 5, 2025. The linked authority identifier is Q1268726. None of the 0 selected statements returned an explicit reference.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Star-chested treerunner” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.