Brown Hawk-Owl

The Brown Hawk-Owl is a widely distributed member of the hawk-owl genus Ninox, found across a broad swath of South, East, and Southeast Asia. Its name reflects the rounded, forward-eyed head shape shared by the genus, which gives it a hawk-like appearance distinct from tufted or wide-faced owls.

It inhabits forest, woodland, and wooded parks, and in parts of its range shows migratory movements between breeding and wintering grounds.

Its smooth, dark brown upperparts contrasting with a white, rufous-streaked underside make it fairly recognizable among owls sharing its range, particularly given the absence of ear tufts typical of the hawk-owl genus.

Shape and Size

Flight feathers are moderate, roughly 17-21 cm on primaries, with soft fringed edges typical of owls.

Color and Pattern

• Upperparts and flight feathers dark brown, fairly uniform with little barring
• Underpart feathers white to buff-white with bold rufous-brown streaking and spotting
• No ear tufts; head feathers rounded

Shaft and Vane

Shafts dark brown on upperpart feathers, paler on underpart feathers; vanes soft.

Distinguishing from Similar Species

The combination of largely unbarred dark brown upperparts with boldly streaked (rather than barred) white underparts helps separate this species from more heavily barred forest owls such as wood owls sharing parts of its Asian range.

Adults are dark brown above, fairly uniform with little patterning, and white to buff below with bold rufous-brown streaking and spotting. The head is rounded without ear tufts, and eyes are yellow.

Sexes look similar, with females slightly larger. Juveniles are downier and less boldly streaked. Adults undergo a single annual molt, timed to migratory or resident status depending on population.

This species is widespread across South, East, and Southeast Asia, including India, China, Japan, Korea, and much of Southeast Asia, inhabiting forest, woodland, and wooded parks.

Northern populations are migratory, wintering further south, while many southern and Southeast Asian populations are resident year-round.

The Brown Hawk-Owl is nocturnal, hunting from perches at forest edges and clearings, often catching large insects in flight in a hawk-like manner, in addition to small vertebrates.

It nests in tree cavities. Its call is a repeated, resonant double or triple hoot. A dark brown feather with bold rufous streaking on a paler ground, found in Asian forest or woodland habitat, is consistent with this species.