Black-tailed Myiobius

The black-tailed myiobius or black-tailed flycatcher (Myiobius atricaudus) is a species of passerine bird in the family Onychorhynchidae. It was previously placed in family Tyrannidae or Tityridae. Black-tailed flycatchers are found in Brazil, Colombia, Costa Rica, Ecuador, Panama, Peru, and Venezuela. Their natural habitats are subtropical or tropical moist lowland forests and heavily degraded former forest. They are usually found alone or in pairs, but may join flocks of several species. == Subspecies == Seven subspecies are recognised; M. a. atricaudus from south-western Costa Rica, Panama and western Colombia; M. a. portovelae from western Ecuador and north-western Peru; M. a. modestus from eastern Venezuela; M. a. adjacens from southern Colombia, eastern Ecuador, eastern Peru and western Brazil; M. a. connectens from north-eastern Brazil south of the River Amazon; M. a. snethlagei from north-eastern and eastern Brazil; M. a. ridgwayi from southeastern Brazil. == Description == The black-tailed myiobius closely resembles the whiskered myiobius (M. barbatus) and the sulphur-rumped myiobius (M. sulphureipygius) in appearance, with olive upper parts and a yellow rump. The underparts differ in being buff rather than tawny or greyish-olive, but birds living in eastern Brazil tend to have yellowish or yellowish-buff underparts. Another distinguishing feature is the…