McConnell's Flycatcher

McConnell's flycatcher is 12.5 to 14 cm (4.9 to 5.5 in) long and weighs 8 to 18 g (0.28 to 0.63 oz). The sexes have the same plumage. Adults of the nominate subspecies have an olive head, nape, back, and rump. Their wings and tail are dusky olive. Their throat and underparts are rich cinnamon buff with a dark grayish olive wash on the throat and upper breast. Subspecies M. m. peruanus has brighter olive upperparts than the nominate, with an ochraceous tinge to them. Their wing's greater coverts have cinnamon edges. Their underparts are buffy orange with a light olive tinge on the chin and throat. Both sexes of both subspecies have a dark brown iris, a dark brownish gray to black bill with sometimes a pale pinkish base to the mandible, and medium brownish gray legs and feet.

There is some confusion about the distribution of McConnell's flycatcher. All sources agree that it has a disjunct distribution. The IOC places the nominate subspecies in eastern Venezuela, the Guianas, northern and central Brazil, and northeastern Bolivia. It places M. m. peruanus solely in Peru. Clements places the nominate in eastern Venezuela, the Guianas, and northeastern Brazil north of the Amazon River. It places peruanus in Peru and adjacent southwestern Brazil and amazonus in Bolivia. Clements further states that "it is unclear whether populations of east-central Brazil south of the Amazon refer to amazonas (as these historically have been identified), or to the geographically adjacent nominate macconnelli". BirdLife International's map shows a northern population that corresponds to the IOC distribution there. The map shows a second population in Peru, Bolivia, and adjacent Brazil that corresponds with Clements' peruanus plus amazonas. The BLI account does not include subspecies. McConnell's flycatcher inhabits humid forest in the lowlands and foothills. It primarily occurs in terra firme forest but also in várzea, secondary forest, and plantations. In Brazil and Venezuela it is solely in the lowlands below 500 m (1,600 ft). It reaches elevations of 1,200 m (3,900 ft) in Peru and 2,400 m (7,900 ft) in Bolivia.

McConnell's flycatcher feeds on a variety of fruits and arthropods. It forages from near the ground up to about 25 m (80 ft) above it. It hover-gleans fruit and insects in short sallies from a perch. It regularly joins mixed-species feeding flocks.