Blacktail spurdog vs Brown Teal

Squalus melanurus compared with Anas chlorotis

Key Differences

• Blacktail spurdog is Data Deficient while Brown Teal is Near Threatened.

Taxonomic Classification

Rank	Blacktail spurdog	Brown Teal
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Squaliformes (Squaliformes)	Anseriformes (Anseriformes)
Family	Squalidae	Anatidae
Genus	Squalus	Anas
Species	Squalus melanurus	Anas chlorotis

Evolutionary Relationship

Blacktail spurdog and Brown Teal share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Brown Teal

NT — Near Threatened

Physical Characteristics

Attribute	Blacktail spurdog	Brown Teal
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Brown Teal

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.

Brown Teal

The Brown Teal (Anas chlorotis) is a species in the genus Anas. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.