 The song is a buzzy "chi-wawr, chi-wowr".Streak-breasted treehunter is easily distinguished from its relatives by its large size, heavy bill and breast streaking.The streak-breasted treehunter forages for large insects, spiders, amphibians and lizards in dense undergrowth and vines, searching through leaf litter, plant debris, bromeliads and other epiphytes for its prey.