The Double-toothed Kite (Harpagus bidentatus) dwells from S Mexico to W Ecuador, Bolivia and SE Brazil. It has a black median stripe on white throat. When looking closely, you can see 2 horny “teeth” on tomium.
33cm (13”), 180g. above gray, below barred with gray and white; rufous barring on sides of chest (male) or solid rufous chest (female); crissum thigh feathers; white and fluffy flanks; tail banded with gray and black. Iris orange; cere and legs yellow. Immature: Above brown flecked with buff; below white streaked with blackish-brown.