Blacktail spurdog vs Golden Eagle

Squalus melanurus compared with Aquila chrysaetos

Key Differences

• Blacktail spurdog is Data Deficient while Golden Eagle is Near Threatened.

Taxonomic Classification

Rank	Blacktail spurdog	Golden Eagle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Squaliformes (Squaliformes)	Accipitriformes (Hawks & Eagles)
Family	Squalidae	Accipitridae (Hawks & Eagles)
Genus	Squalus	Aquila (True Eagles)
Species	Squalus melanurus	Aquila chrysaetos

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Golden Eagle

NT — Near Threatened

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Blacktail spurdog	Golden Eagle
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	85 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

Blacktail spurdog

Golden Eagle

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States). 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.

Golden Eagle

Among the most powerful and widely distributed raptors in the world, golden eagles have wingspans reaching 2.2 meters and inhabit mountainous terrain across the Northern Hemisphere. Supreme aerial hunters, they use soaring flight and steep dives at speeds over 200 km/h to capture rabbits, hares, ground squirrels, and occasionally young deer and foxes. In many cultures they have been central to falconry traditions spanning millennia.