シロハラアリドリ Myrmeciza longipes

Medium-sized antbird with a disjunct range from Panama to Brazil. Variable plumage across range. Male generally rufous above and gray below with a white lower belly and blackish face and throat. Females are brown below with dark spotting on the wing coverts. Occurs in pairs in the dense understory of forest edge and second growth; often skulky and difficult to see well. Listen for a rapid trill that starts high and descends in both speed and pitch.