The Rufous Gnateater (Conopophaga lineata) is a passerine bird of the gnateater family, Conopophagidae. It is found in forest understory and bushes in eastern Brazil from Rio Grande do Sul north to Ceará. Its range also extends into eastern Paraguay and north-eastern Argentina and it has recently been recorded in Uruguay. It is often elusive and hard to see, but is commoner and less shy than other gnateaters.
It is a small, rounded bird, 13 cm in length with a short tail and fairly long legs. The plumage is mostly reddish-brown. There is a white stripe above the eye (grey in the female) which ends in a tuft of feathers which can be hidden. The call is a series of quiet cheeps which become faster and higher-pitched. At dusk and dawn the males make a buzzing sound with their wing feathers as they fly around their territory.
The Rufous Gnateater feeds by moving quickly from one perch to another through undergrowth close to the ground. When it sees an insect it makes a short flight down to the ground or to overhead leaves to catch it.
The number of subspecies is unclear, but provisionally three are typically recognized: C. l. lineata, C. l.vulgaris and C. l. cearae. The last of these is restricted to north-eastern Brazil, and is distinctive both vocally and morphologically, it being a deeper, more orange-buff colour and lacking (or almost lacking) the white crescent found on the lower throat/upper chest of the remaining subspecies. It has been suggested that it should be considered a separate species, the Caatinga Gnateater or Ceará Gnateater (Conopophaga cearae).
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