Black drongo

   ›      ›   Black drongo - Dicrurus macrocercus

The black drongo (Dicrurus macrocercus) belongs to the family of drongos, the Dicruridae.

The black drongo species is distributed in Afghanistan, Indian subcontinent, southeast Asia, China and Taiwan. These drongo species are aggressive and fearless birds. These drongos are polytypic species.
Overview & Quick Facts Description & Identification
Pictures of Black Drongo Distribution & Range
Ecosystem & Habitat Diet & Feeding Behavior
Breeding Habits Migration & Movement Patterns
Conservation & Survival IUCN Status
Taxonomy & Classification Bird World

Appearance, physical description and identification

The black drongo (Dicrurus macrocercus) is a medium-sized drongo, measuring 28 to 31 cm in length. Both males and females look alike.

The black drongo has overall blackish plumage. In adults, there is usually a small white spot at the base of the gape. The tail feathers are long and forked. The juveniles are brownish with white barring and streaking at the belly and vent region.

The bill is short, slightly down curved and dark gray in color. The irises are dark brown. The feet are short and gray. The call of these drongo species is a loud, whistling "wee-tee-hee" sound.
Indian birds - Photo of Black drongo - Dicrurus macrocercus
1.Birds of India - Image of Black drongo - Dicrurus macrocercus by Balaram Mahalder


Birds of India - Image of Black drongo - Dicrurus macrocercus
2.Indian birds - Image of Black drongo - Dicrurus macrocercus by Dr. Raju Kasambe

Indian birds - Image of Black drongo - Dicrurus macrocercus
3.Birds of India - Image of Black drongo - Dicrurus macrocercus by Lip Kee

Origin, geographical range and distribution

These black drongos are distributed in Afghanistan, Pakistan, India, Nepal, Bhutan, Bangladesh, Sri Lanka, Myanmar, Thailand, Cambodia, Laos, Vietnam, Malaysia, Singapore, Indonesia, China and Taiwan.

In India, these species have been observed in all the states. Vagrants have been observed in Iran, Oman and UAE.

The black drongo nominate subspecies D. m. macrocercus is distributed in southeast Pakistan and peninsular India (Gujarat, Madhya Pradesh, Jharkhand, West Bengal, Chhattisgarh, Odisha, Telangana, Maharashtra, Andhra Pradesh, Karnataka, Goa, Tamil Nadu and Kerala).

The subspecies D. m. albirictus is distributed in east Afghanistan, north Pakistan, central and north India, Nepal, Bhutan, Bangladesh, northeast India, north Myanmar and southern China. The subspecies D. m. minor is distributed in Sri Lanka.

The black drongo subspecies D. m. cathoecus is distributed in central, east and south China, Myanmar, north Thailand, and north Indochina. Wintering populations occur in south Thailand, south Indochina, Malaysia and Singapore.

The black drongo subspecies D. m. thai is distributed in south Myanmar, Thailand and south Indochina. The subspecies D. m. harterti is distributed in Taiwan. The subspecies D. m. javanus is distributed in Indonesia (Java and Bali).

Ecosystem and habitat

These black drongo species do not normally occur in forests. They normally occur in altitudes from 0 to 1500 meters. The artificial ecosystems and habitats of these species include agricultural fields, heavily degraded forests and urban areas.

The natural ecosystems and habitats of these black drongo species include tropical and subtropical dry grasslands, tropical and subtropical moist shrublands, dry savanna and dry shrublands.

Diet and feeding behavior

The diet of these black drongo species consists mainly of insects. Insects, caterpillars, grasshoppers, crickets, cicadas, locust, dragonflies, moths, beetles, termites, ants, wasps and bees are their primary food. They hawk flying insects.

These drongo species follow cattle in pastures to catch the insects flushed out. They also follow the plough to pick exposed ground dwelling insects and insect larvae. They occasionally feed on small vertebrates.

Though they are welcomed by farmers for feeding on agricultural pest insects, their habit of preying on honey-bees makes them a nuisance to bee-keepers.

Reproduction and breeding habits

The breeding season of these black drongos is from March to June in Pakistan. The laying season is from March to August in India with a peak period from April to June. Sometimes a second brood is raised. Their courtship includes aerial and ground displays.

These drongo species are monogamous and highly territorial. They defend the breeding territory aggressively and fearlessly. They confront large birds of prey by pecking and mobbing them.

The nesting site is usually a fork of tree branch. The nest is a cup-like structure made with a thin layer of sticks and twigs. The clutch normally contains three or four off-white eggs with scattered black spots and blotches.

Both of the black drongo parents incubate the eggs. The chicks hatch out after 14-15 days. The chicks are altricial, born in an undeveloped state requiring brooding and feeding by the parents. The young fledge after about 18 to 20 days of growth.

Migration and movement patterns

These black drongo species are partially migratory birds. The migratory breeding populations (subspecies D. m. albirictus and D. m. cathoecus) occur in northern parts of their breeding range. These populations migrate southwards in September and October for wintering.

The other black drongo subspecies are non-migratory resident birds. They disperse locally after breeding. The populations in higher altitudes descent to lower levels during winter.

Post breeding, the juveniles may disperse and establish in new locations within the range. Within their range they may make local movements for feeding and breeding.

Black drongo - Quick Facts

  • Scientific name: Dicrurus macrocercus
  • Species author: Vieillot, 1817
  • Synonyms/Protonym: Dicrurus macrocercus Vieillot, 1817
  • Family: Dicruridae › Passeriformes › Aves › Chordata › Animalia
  • Vernacular names: English: Black drongo, Chinese: 黑卷尾, French: Drongo royal, German: Königsdrongo, Spanish: Drongo real, Russian: Чёрный дронго, Japanese: オウチュウ, Indonesian: Srigunting Hitam
  • Other names: King drongo
  • Distribution: Afghanistan, Indian subcontinent, southeast Asia, China, Taiwan
  • Diet and feeding habits: insects, grasshoppers, crickets, locust, cicadas, beetles, dragonflies
  • IUCN status listing: Least Concern (LC)

Conservation and survival

The global population size of the black drongo (Dicrurus macrocercus) has not been quantified. The overall population trend of the species is not known.

In most of its range, this black drongo species is reported to be locally common. The generation length is not known. Its distribution size is about 26,100,000 sq.km.

Habitat alteration and destruction, loss of insect populations due pesticide use, hunting for food and trapping for pet-trade are the main threats that are endangering the survival of these species.

IUCN and CITES status

The black drongo (Dicrurus macrocercus) does not approach the thresholds for being Vulnerable, either under the range size criterion, or under the population trend criterion or under the population size criterion.

The IUCN (International Union for Conservation of Nature) has categorized and evaluated the species and has listed it as of "Least Concern".

The CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) status is ‘Not Evaluated’ for the black drongo (Dicrurus macrocercus).
Taxonomy and scientific classification of Dicrurus macrocercus
Kingdom:Animalia
Phylum:Chordata
Class:Aves
Order:Passeriformes
Family:Dicruridae
Subfamily:-
Genus:Dicrurus
Species:D. macrocercus
Binomial name:Dicrurus macrocercus
IUCN status listing:
Least Concern
The black drongo (Dicrurus macrocercus) is closely related to the fork-tailed drongo or African drongo (Dicrurus adsimilis). The black drongo was earlier considered conspecific with the fork-tailed drongo.

The seven recognized subspecies of the black drongo are: D. m. macrocercus Vieillot, 1817, D. m. albirictus (Hodgson, 1836), D. m. javanus Kloss, 1921, D. m. harterti E. C. S. Baker, 1918, D. m. thai Kloss, 1921, D. m. cathoecus Swinhoe, 1871 and D. m. cathoecus Swinhoe, 1871.
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1.Image source: https://commons.wikimedia.org/wiki/File:Black_Drongo.jpg (cropped)
Image author: Balaram Mahalder | License: CC BY-SA 3.0 as on 3/29/18
2.Image source: https://en.wikipedia.org/wiki/File:Black_Drongo_(Dicrurus_macrocercus)_IMG_7702_(1)..JPG (cropped)
Image author: Dr. Raju Kasambe | License: CC BY-SA 3.0 as on 3/29/18
3.Image source: https://www.flickr.com/photos/lipkee/2478446998/ (cropped)
Image author: Lip Kee | License: CC BY-SA 2.0 as on 3/29/18
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