Белобровая муравьеловка Myrmoborus leucophrys

Small, short-tailed antbird with a bold eyebrow. Male is slaty gray with gleaming white eyebrow. Female is brown above and white below with a black face and an orange eyebrow. Found in young forests and forest edges, skulking in dense undergrowth alone or in pairs. Listen for a long series of harsh, descending whistles.