The Schwartz's Antthrush (Chamaeza turdina), also known as the Scalloped Antthrush, is a species of bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 in the Formicariidae

Formicariidae

The Formicariidae, formicariids, or ground antbirds are a family of smallish passerine birds of subtropical and tropical Central and South America. They are between 10 and 20 cm in length, and are related to the antbirds, Thamnophilidae, and gnateaters, Conopophagidae...

 family. It is found in humid highland forests in the Andes

Andes

The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

 of Colombia

Colombia

Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...

 and the Coastal Range

Venezuelan Coastal Range

The Venezuelan Coastal Range is a mountain range that runs along the central and eastern portions of Venezuela's northern coast...

 in Venezuela

Venezuela

Venezuela , officially called the Bolivarian Republic of Venezuela , is a tropical country on the northern coast of South America. It borders Colombia to the west, Guyana to the east, and Brazil to the south...

. The Colombian population belongs to the nominate subspecies, while the Venezuelan belongs to chionogaster. Long included as a subspecies

Subspecies

Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...

 of the Rufous-tailed Antthrush

Rufous-tailed Antthrush

The Rufous-tailed Antthrush or Brazilian Antthrush is a species of bird in the Formicariidae family. It is endemic to Atlantic Forest in southeastern Brazil and far northeastern Argentina...

, it was only recognized as a separate species in 1992. It takes its name from ornithologist Paul A. Schwartz, who was the first to realize how strikingly different its song sounds compared to that of the Rufous-tailed Antthrush. The song of Schwartz's Antthrush is closer to that of the Cryptic Antthrush.