Brown stingaree vs Complex-toothed Flying Squirrel

Urolophus westraliensis compared with Trogopterus xanthipes

Key Differences

• Brown stingaree is Least Concern while Complex-toothed Flying Squirrel is Near Threatened.

Taxonomic Classification

Rank	Brown stingaree	Complex-toothed Flying Squirrel
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Elasmobranchii	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Myliobatiformes (อันดับปลากระเบน)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Urolophidae	Sciuridae (Squirrels)
Genus	Urolophus	Trogopterus
Species	Urolophus westraliensis	Trogopterus xanthipes

Evolutionary Relationship

Brown stingaree and Complex-toothed Flying Squirrel share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Brown stingaree

LC — Least Concern

Complex-toothed Flying Squirrel

NT — Near Threatened

Physical Characteristics

Attribute	Brown stingaree	Complex-toothed Flying Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown stingaree

Complex-toothed Flying Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown stingaree

The Brown Stingaree (Urolophus westraliensis) is a species in the genus Urolophus. It is currently classified as Least Concern on the IUCN Red List. As a member of the genus Urolophus, it shares characteristics with related species within this taxonomic group.

Complex-toothed Flying Squirrel

<em>Trogopterus xanthipes</em>, the complex-toothed flying squirrel, is a medium-sized gliding rodent in the family Pteromyidae endemic to China, where it inhabits montane broadleaf and mixed forests at elevations typically between 1,000 and 2,700 metres in provinces including Sichuan, Yunnan, Guizhou, Hubei, and neighbouring regions. This species is the sole member of the genus Trogopterus and is distinguished by complex tooth morphology compared to other flying squirrels. Like all flying squirrels, it possesses a patagium — a gliding membrane stretching between fore and hind limbs — that enables it to glide between trees rather than undertake powered flight. The complex-toothed flying squirrel is nocturnal and arboreal, spending its days sheltering in tree hollows and foraging at night for leaves, bark, seeds, and fungi. Its faeces, known as Wuflingzhi, have been used in traditional Chinese medicine for centuries, leading to trapping pressure in parts of its range. The IUCN classifies this species as Near Threatened, reflecting population decline driven by overhunting for medicinal use and ongoing habitat loss from logging and agricultural encroachment in montane forests. Biological traits including average body mass, lifespan, litter size, and home range are partially documented but detailed population estimates are limited. Conservation measures include legal protections under Chinese wildlife law.