Aegithalos concinnus, commonly known as the black-throated bushtit or black-throated tit, is a small passerine bird in the family Aegithalidae. It is found in regions ranging from the Himalayas to parts of Southeast Asia and is known for its social behavior, often traveling in flocks.

Overview of Aegithalos concinnus

Common Names

  • Black-throated Bushtit
  • Black-throated Tit

Scientific Classification

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Aves
  • Order: Passeriformes
  • Family: Aegithalidae
  • Genus: Aegithalos
  • Species: Aegithalos concinnus
  • Authority: Gould, 1855

Physical Characteristics

  • Size: Approximately 10.5 cm in length
  • Weight: 4-9 g
  • Plumage:
  • Black throat and a black 'bandit mask' around the eye
  • Chestnut cap, breast band, and flanks in the nominate race
  • Dark grey back, wings, and tail with a white belly
  • Variations exist among subspecies

Distribution and Habitat

Range:

  • Foothills of the Himalayas
  • Northern India, northeastern Bangladesh, Nepal, Bhutan, northern Myanmar, Vietnam, Taiwan
  • Disjunct populations in southern Vietnam, Hainan, and northern China

Habitat:

  • Open broadleaf forests and pine forests
  • Typically found at middle altitudes

Behavior and Diet

  • Social Structure: Highly social, often found in flocks of up to 40 birds
  • Feeding Habits:
  • Diet includes small insects, spiders, seeds, fruits, and berries (especially raspberries)
  • Breeding:
  • Nests made from moss and lichen, hanging from tree branches

This small passerine bird is notable for its social behavior and distinctive appearance, making it a fascinating subject for birdwatchers and ornithologists alike.