Lesser Kiskadee
Philohydor lictor
The lesser kiskadee is 15 to 18 cm (5.9 to 7.1 in) long and weighs about 25 g (0.88 oz). The sexes have the same plumage; females are slightly smaller than males. Adults of the nominate subspecies have a black or sooty crown and face with a mostly hidden bright yellow patch in the center of the crown. They have a wide white supercilium that begins at the forehead and wraps almost all the way around the nape. They have mostly plain olive upperparts with grayish brown to dark olive uppertail coverts. Their wings are dark grayish brown with pale cinnamon or rufous edges on the flight feathers. Voice: The lesser kiskadee's calls include "a vigorous, buzzy, rather nasal dzay or dzweey", a "more prolonged dzay-dzwey-dwzee-zwee", and "keekzi-deeée, queé-be and dree, dear-wrr". "artners also give chattery ca-déde in greeting."
ID text from Wikipedia, CC BY-SA 4.0
White-throated Tyrannulet
Mecocerculus leucophrys
The white-throated tyrannulet is 11 to 14 cm (4.3 to 5.5 in) long. The sexes have the same plumage. Adults of the nominate subspecies M. l. leucophrys have a dark olive-gray crown and nape. They have white lores and a thin white supercilium on an otherwise dusky face with some white on the ear coverts. Their upperparts are medium olive-gray. Their wings are brownish black with cinnamon-buff to yellowish buff edges and tips on the flight feathers. Their wing coverts have cinnamon-buff tips that show as two wide bars on the closed wing. Their tail is dusky brown. Voice: The white-throated tyrannulet's dawn song is "an excited-sounding 'ch'd'dik, ch'd'dik, ch'd'dik, chéw' " with some variations in emphasis and sometimes some "kee-keek" notes inserted. While foraging it often gives a "pit" or "pif" note.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Lesser Kiskadee and White-throated Tyrannulet.