The blackish owl (Asio stygius) is a species of strigiform bird belonging to the genus Asio that is part of the family Strigidae. It is native to the Neotropics.
It measures between 38 and 46 cm weighing between 632 and 675 g, the female is heavier. Large and understated, her entire appearance is somber. It has two long tufts of black feathers on its head that are mistaken for «ears» or «horns». Yellow-orange eyes. Brownish-black face with whitish eyebrows and a clearly visible light spot on the forehead between the “ears”. Dorsal parts black-brownish with scattered light spots. Underparts buffy or dirty white with the chest all dark stained and thick black-brownish stripes in the shape of a herringbone in the rest; blackish outer shirts. Tail dark brown barred brown. Her fingers are bear with feathered tarsi. The beak is black.