Roraiman barbtail [SEP] parent taxon
Roraiman barbtail
The Roraiman barbtail ("Roraimia adusta") is a species of bird in the Furnariidae family. Therein, it is placed in the monotypic genus Roraimia. It is found in highland forests in the tepuis of southern Venezuela, western Guyana and far northern Brazil. Its name refers to Mount Roraima. It is a small bird with rufous upperparts, streaky underparts, a white throat and a black mask.
Taxon in disguise
In bacteriology, a taxon in disguise is a species, genus or higher unit of biological classification whose evolutionary history reveals has evolved from another unit of similar or lower rank, making the parent unit paraphyletic. This happens when rapid evolution makes a new species appear radically different from the ancestral group, so that it is not (initially) recognised as belonging to the parent phylogenetic group, leaving the latter an evolutionary grade.
While the term is from bacteriology, parallel examples are found throughout the tree of