
Image via Macaulay Library
Ratchet-tailed Treepie
- Scientific name
- Temnurus temnurus
- Family
- Corvidae
- Conservation status
- Least concern
- Habitat
- Forest mixed
- Wing shape
- Broad
- Tail shape
- Pointed
Where it came from
The Ratchet-tailed Treepie, Temnurus temnurus, is a unique passerine bird belonging to the Corvidae family, native to the dense, humid evergreen forests of Southeast Asia, specifically spanning regions of Thailand, Laos, Vietnam, and Hainan Island. Its evolutionary history is tied to the specialized ecological niches of primary forests, where it has adapted to life in the canopy. The species was first formally described by René Lesson in 1831, reflecting the period's intense interest in cataloging the avian diversity of the Indochinese peninsula.
The bird is characterized by its distinctive morphology, most notably the peculiar structure of its central tail feathers, which feature frayed, stiffened barbs that resemble the teeth of a ratchet. This evolutionary design is thought to provide enhanced stability or maneuverability while foraging within dense foliage. While it remains a subject of study for ornithologists interested in corvid evolution, the species is generally considered elusive, with its population status often closely linked to the preservation of undisturbed forest tracts in its endemic range.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
Real birds collectors on collecto.rs who have this in their public collection.
About Ratchet-tailed Treepie
Ratchet-tailed Treepie is a bird in the Birdwatching catalog on collecto.rs. Catalog data is sourced from eBird. No public birds collectors track this one yet — adding yours would make you the first on collecto.rs.
How many collectors track Ratchet-tailed Treepie on collecto.rs?
Ratchet-tailed Treepie doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of Ratchet-tailed Treepie?
Yes. collecto.rs is free — sign up to log your bird, upload photos, record condition, edition, and acquisition cost, and connect with other birdwatching collectors. Your collection stays private by default.
Where does the Ratchet-tailed Treepie catalog entry come from?
The catalog entry for Ratchet-tailed Treepie is sourced from eBird. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is collecto.rs birds tracking free?
Yes. Tracking your birds is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every bird you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free










