Bilou or Siamang Kerdil Mentawai vs Yellow-browed Sparrow

Hylobates klossii compared with Ammodramus aurifrons

Key Differences

• Bilou or Siamang Kerdil Mentawai is Endangered while Yellow-browed Sparrow is Least Concern.

Taxonomic Classification

Rank	Bilou or Siamang Kerdil Mentawai	Yellow-browed Sparrow
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mamalia)	Aves (burung)
Order	Primates (Primata)	Passeriformes (burung pengicau)
Family	Hylobatidae	Passerellidae
Genus	Hylobates	Ammodramus
Species	Hylobates klossii	Ammodramus aurifrons

Evolutionary Relationship

Bilou or Siamang Kerdil Mentawai and Yellow-browed Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bilou or Siamang Kerdil Mentawai

EN — Endangered

Yellow-browed Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Bilou or Siamang Kerdil Mentawai	Yellow-browed Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bilou or Siamang Kerdil Mentawai

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Yellow-browed Sparrow

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-browed Sparrow

Yellow-browed Sparrow (Ammodramus aurifrons) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.