Black-backed Antshrike vs Rufous-winged Antshrike

Black-backed Antshrike

Thamnophilus melanonotus

Small26 gWoodland

The black-backed antshrike is 15 to 16 cm (5.9 to 6.3 in) long. Members of genus Thamnophilus are largish members of the antbird family; all have stout bills with a hook like those of true shrikes. Adult males have a black to blackish brown head and back with white edges on the scapulars and a hidden white patch between them. Their lower back and rump are light gray. Their wings are black with wide white tips on the coverts and white edges on the flight feathers. Their tail is black with white tips on the feathers and white edges on the outermost pair. Voice: The black-backed antshrike apparently has two songs, "a single soft cuua a short, nasal roll, qurrrrrr". Its other vocalizations include "a short nasal caaa-aa, a nasal grunting, rolled gur'r'a, and soft nasal ca-hunk?".

ID text from Wikipedia, CC BY-SA 4.0

Photo: tomas_kay · CC BY 4.0

Rufous-winged Antshrike

Thamnophilus torquatus

Small21 gShrubland

The rufous-winged antshrike is about 14 cm (5.5 in) long and weighs 18 to 20 g (0.63 to 0.71 oz). Members of genus Thamnophilus are largish members of the antbird family; all have stout bills with a hook like those of true shrikes. This species exhibits significant sexual dimorphism. Adult males have a black crown and a gray face, neck, and upperparts. Their wings and wing coverts are cinnamon-rufous. Their tail is black with white bars on the outer feathers. Their throat and underparts are whitish with black bars on the breast. Voice: The rufous-winged antshrike's song is " a moderately long...accelerating series of nasal notes, first one long and drawn out, followed by increasingly shorter notes, ending in longer downslurred note". Its calls include a "querulous upslurred whistle", a "nasal note that becomes harsh", and a "growl".

ID text from Wikipedia, CC BY-SA 4.0

Photo: Thomaz de Carvalho Callado · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Black-backed Antshrike and Rufous-winged Antshrike.