Chalarm hang-daab vs Bufflehead

Alopias pelagicus compared with Bucephala albeola

Key Differences

• Chalarm hang-daab is Endangered while Bufflehead is Not Evaluated.

Taxonomic Classification

Rank	Chalarm hang-daab	Bufflehead
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Aves (นก)
Order	Lamniformes (อันดับปลาฉลามขาว)	Anseriformes (อันดับห่าน)
Family	Alopiidae	Anatidae
Genus	Alopias	Bucephala
Species	Alopias pelagicus	Bucephala albeola

Evolutionary Relationship

Chalarm hang-daab and Bufflehead share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Chalarm hang-daab

EN — Endangered

Bufflehead

NE — Not Evaluated

Physical Characteristics

Attribute	Chalarm hang-daab	Bufflehead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalarm hang-daab

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Colombia and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bufflehead

Habitat

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

Range

Found across Europe (11 countries) and North America (United States).

Chalarm hang-daab

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Bufflehead

Bufflehead (Bucephala albeola) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.