Dusky Eagle-Owl
Ketupa coromanda
A very large, grayish-brown owl with yellow eyes and distinctive ears. Note the fine barring and dark streaks on the pale underparts, and white patches on the shoulders. In flight, wings and tail are strongly barred below. Perches in tall trees, usually near a water body, where it waits for birds and mammals to pounce upon. The call is a distinctive series of low, guttural notes that increase in volume and speed before trailing off towards the end.
Identification
The dusky eagle-owl is a large greyish-brown owl with prominent ear tufts. Its underparts are greyish white with some dark brown streaks, and its dark brown wings have some whitish streaks. K. c. klossii is similar to the nominate subspecies but much darker and with no obvious whitish markings on wings and scapulars. Wings are 380–435 mm, and tail is 187–224 mm.
Taxonomy
The species was first described by John Latham in 1790 as Strix coromanda. This is the nominate subspecies that occurs in South Asia. In the 20th century, the following subspecies was described:
- Scientific name
- Ketupa coromanda
- Authority
- (Latham, 1790)
- Order
- Strigiformes
- Family
- Strigidae
- Genus
- Ketupa
Range and habitat
The dusky eagle-owl occurs from Pakistan, India, Nepal and Bangladesh to Myanmar, Thailand, Malaysia into China.In Peninsular Malaysia, it has been recorded in oil palm plantations during surveys carried out between autumn 2009 and 2010 in the states of Selangor, Perak, Pahang and Negeri Sembilan.<p>It inhabits forests, wooded wetlands, agricultural areas with scattered groves and trees, and roadside avenues with old large trees.
- Migration
- Resident species
Behavior
The dusky eagle-owl is not deterred by daylight though is largely active at night emerging from its roost shortly before sunset. The species has been seen hunting during the day during cloudy weather.<p>The nesting season is from November to April, with most of the breeding observed during December and January. The dusky eagle-owls use stick nests of other large birds on trees such as Ficus, Mitragyna and Dalbergia. In Haryana, breeding owl pairs preferentially reused nests of woolly-necked Storks Ciconia episcopus. Very few dusky eagle-owl pairs used nests made by other bird species, which included red-naped ibis Pseudibis papillosa and Indian spotted eagle Clanga hastata. Storks showed a preference for native Dalbergia sissoo and Ficus religiosa trees along with the exotic Eucalyptus trees. The owls exercised a second level of preference of tree species that had stork nests, and preferentially reused nests on Eucalyptus sp. Most dusky eagle-owls reused stork nests in areas that had high densities of stork nests suggesting that the owls were tracking the breeding progress of woolly-necked storks. The study in Haryana underscored the importance of multifunctional agriculture – agroforestry amid cereal crops – to maintain healthy breeding populations of dusky eagle-owls.<p>The dusky eagle owl species is one of the least studied owls in the world, and the majority of information on its biology is from anecdotal observations.
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
Hooded Yellowthroat
Geothlypis nelsoni
Rather local and endemic to highlands of Mexico. Unlike most yellowthroats, not found in marshes. Occurs in brushy scrub and chaparral thickets, where usually quite skulking, but sometimes sings from conspicuous perches. Upperparts and flanks are relatively dark greenish olive. Duskier than Common Yellowthroat, which is a common migrant throughout range of Hooded, but Common are usually near water. Male Hooded has gray border above black mask. Female has a ghosting of male pattern with some grayish on forehead, but can be difficult to distinguish from Common.
Crimson-crowned Flowerpecker
Dicaeum nehrkorni
A tiny, short-tailed songbird. Unmistakable male is dark with a red cap, breast spot, and rump. Underparts white, with a dark vertical line on the belly and white tufts on sides of breast. Female is gray, with red confined to rump; this color patterning is diagnostic. Juvenile resembles female, but lacks the red rump. Singles or pairs inhabit the upper reaches of hill and montane forest and forest edges. Restricted to Sulawesi. Gives thin, high-pitched “tzeet” and “kwit” call notes. Song starts with “tzeet-tzeet” phrases, then descends into a rapid warble.
Slaty-headed Parakeet
Psittacula himalayana
A medium-sized parakeet with a bluish-gray head, green body, red bill, and yellow-tipped tail. Males and females are alike, except that males have a red patch on the shoulder. Often found in large flocks which feed on fruits, blossoms, and crops. The call is a harsh, grating screech with a metallic quality. Similar to Gray-headed Parakeet, but Slaty-headed Parakeet has a darker head, an indistinct black collar, and a different call.
Start Your Bird Watching Journey
Identify a bird outdoors and keep the field guide close for your next observation.