Cryptic Antthrush

The cryptic antthrush is 19 to 19.5 cm (7.5 to 7.7 in) long and weighs about 66 to 77 g (2.3 to 2.7 oz). The sexes are alike. Adults have a red-brown forecrown and brown crown. They have white or buff lores and a white streak behind their eye. Their upperparts are mostly olive brown with a reddish rump. Their tail is brown with a black band near the end and thin buffy tips on the feathers. Their throat is white or buffy white. Their underparts are mostly buffy white with black streaks on their sides and flanks and their crissum is deep buff. Voice: The cryptic antthrush's song is "a long series of 20-40 hollow notes, loudest near the middle and quieter at the beginning and end". "One described call is an abrupt quick! note".