A long-tailed, slender songbird with fine bill. Males dark bluish black above, white below, with a dark bib with concave lower edge (curves downward at edges). Crown and throat equally dark, lending male a hooded appearance. Male Leaden Flycatcher has uniformly dark head, grayish (not blackish) tail feathers, and convex bib edge. Female blue-gray above, with orange throat and breast. Inhabits varied woodlands, perches high in the canopy, often shakes the tail rapidly. Song a repeated two-note whistle; call a loud buzzing “zerp.”