The Pheebe also is the larger bird, and both of its mandibles are black, while the lower 
mandible of the Pewee is lighter than its upper one. The Pewee nests in trees. 
A characteristic habit common to both of these birds is that of drooping wings and 
tail as they perch, presenting a languid appearance quite in keeping with the lugubrious 
tone of their note. Let an unwary fly approach, however, and this lassitude quickly 
vanishes. A lightning dart with unerring aim, a snap of the beak audible at a distance of 
several yards ; a twist, almost a somersault in the air, is made, the bird regains his station 
and resumes his despondent attitude, and there is one less insect abroad. 
PEALE enV —TECLOW-BELLIED FLYCATCHER. 
Empidonax flaviventris. 
Head and body, above olive-green; beneath greenish-yellow, except 
on the belly, where the yellow is pure; a yellowish ring encircles the 
eye: wings brown with yellowish bands; tail brown, square: bill 
broad, the upper mandible dark brown, the lower one pale. Length, 
5.60 inches. 
Migratory. This Flycatcher does not nest here. It is rather abundant, however, 
when on its migrations, and may be seen during the last three weeks of May; and, again, 
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