Plain-winged Antshrike
Thamnophilus schistaceus
The plain-winged antshrike is 13 to 14 cm (5.1 to 5.5 in) long and weighs 19 to 21 g (0.67 to 0.74 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 of the nominate subspecies are almost entirely gray, with slightly darker upperparts than underparts. Their wings and wing coverts have a slight brownish tinge. Adult females have a rufous crown and a grayish face. Their upperparts are yellowish olive-brown and their underparts pale olive-brown. Voice: The plain-winged antshrikes's song differs somewhat among the subspecies. In general it is "a slightly accelerating series of similar notes at same pitch, ending in sharply downslurred note that 'falls off' to a lower pitch". Both the number of notes and pace vary; the song of subspecies T. s.
ID text from Wikipedia, CC BY-SA 4.0
Rufous-capped Antshrike
Thamnophilus ruficapillus
The rufous-capped antshrike is 15 to 17 cm (5.9 to 6.7 in) long and weighs 16.3 to 25 g (0.57 to 0.88 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 of the nominate subspecies T. r. ruficapillus have a chestnut crown and a buffy gray face and throat with faint dusky mottling and bars. Their upperparts are dark brown. Their wings are rufous-brown. Their tail is brownish black with white tips and bars on the inner webs of the outer feathers. Voice: The rufous-capped antshrike's song apparently has some regional variations that have not been studied. It has been described as a "slightly accelerating series of 12-15 'tjew' notes". It has been written as "wah, nyah, nyah-nyah-nya-nya-nya'nya-arr" and as "weepweepweepweepweepweepeepeepeep".
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: Plain-winged Antshrike and Rufous-capped Antshrike.