Southern Boobook

The Southern Boobook is the smallest and most common owl in Australia, found across nearly every habitat type from forest and woodland to farmland and urban parks. Its onomatopoeic name comes from its far-carrying two-note call, one of the most familiar night sounds across the continent.

As a member of the hawk-owl genus Ninox, it has a relatively flat facial profile without the heart-shaped disc of barn owls, and large forward-facing eyes. Its dark brown plumage, boldly spotted with white or cream, provides effective camouflage while roosting in tree foliage during the day.

Being so widespread and common, it is one of the more frequently encountered owls when searching for feathers, turning up in habitats ranging from remote bushland to suburban gardens.

Size and shape

Small to medium feathers from a bird 27-36 cm long, with rounded wings and a moderately long, banded tail typical of Ninox owls.

Color and pattern

• Upperparts are dark brown, marked with bold white or cream spots on the wing coverts and back.
• Underparts are buff to cream with brown streaking, denser on the chest and thinning toward the belly.
• The tail is dark brown with several narrow pale bars.
• Shafts are pale brown.

Distinguishing from similar species

Compared to the larger Powerful Owl, Southern Boobook feathers are much smaller and show simple streaking on the underparts rather than bold chevron markings. Compared to the Morepork of New Zealand, a very close relative, plumage is similar but ranges do not overlap, making location the best distinguishing clue.

Adults are dark brown above with bold cream or white spotting, and buff below with brown streaking. Plumage can vary somewhat across the many recognized subspecies found across Australia and nearby islands. Sexes look alike, with females slightly larger. Juveniles are paler and downier with less defined spotting. Molt follows breeding on an annual cycle.

This species is found across nearly all of Australia in forest, woodland, farmland, and urban parks and gardens, as well as on some nearby islands. It is largely resident, though some populations may make local movements in response to food availability.

Southern Boobooks hunt insects, small mammals, and birds at night, often from a low perch, and are highly adaptable in diet and habitat use. They roost by day in dense foliage, sometimes in surprisingly urban settings. The call is a distinctive repeated two-note 'boo-book,' which gives the species its common name. Nests are placed in tree hollows. When identifying a feather, look for dark brown ground color with bold cream or white spotting above and streaked buff underparts, in a small to medium overall size.