Ferruginous Antbird
Drymophila ferruginea
The ferruginous antbird is 12 to 13 cm (4.7 to 5.1 in) long and weighs 9.5 to 11.5 g (0.34 to 0.41 oz). Adult males have a black crown, a white supercilium, a wide black band through the eye, and white cheeks with black speckles. Their upperparts are mostly reddish yellow-brown with a (usually hidden) white patch between the scapulars and a rufous rump. Their wings are brownish black with buffish edges on the flight feathers and wide white tips on the coverts. Their tail is black with wide white tips on the feathers. Voice: The ferruginous antbird's song is a "very high, loud, sharp 'tit-tuweéw' (1 x or 3 x without interval)". Its calls include a "rich 'chewp' and short, 'chirring' rattle".
ID text from Wikipedia, CC BY-SA 4.0
Streak-headed Antbird
Drymophila striaticeps
The streak-headed antbird is 14.5 to 15.5 cm (5.7 to 6.1 in) long and weighs 11 to 13 g (0.39 to 0.46 oz). Adult males have a black crown and back with white streaks and a white patch between the scapulars. Their rump is deep rufous. Their flight feathers are black with rufous edges and their wing coverts black with white tips. Their tail is blackish gray with white tips to the feathers. Their face, throat, and breast are white with heavy black streaks. Their belly is unstreaked white and their flanks and crissum are rufous. Females have the same pattern but different colors than males. Voice: The male streak-headed antbird's song is "a loud tchip! tchip! djzzew-djzzew-djzzed-djzew" that the female often answers with a "descending, less buzzy tchip tchip tew-tew-tew". Its calls include "a sharp, ringing pi-pit! and a paired series of descending mewing whistles: dew-dew".
ID text from Wikipedia, CC BY-SA 4.0

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