シロボシクロアリモズ Thamnophilus bridgesi

Antshrikes have large, flat heads and large, hooked bills; they often angle their tails downward, below the line of the body. Male Black-hooded is mostly black with a slightly paler belly; note small white spots on the shoulder. The female is paler gray overall with whitish streaking on the head and breast. Most often seen in pairs in the understory of forest and edges. Follows mixed flocks. Listen for accelerating chuckle with a longer raspy note at the end.