Biscuit skate vs Buff-tailed Mining Bee

Raja straeleni compared with Andrena humilis

Key Differences

• Biscuit skate is Near Threatened while Buff-tailed Mining Bee is Extinct.

Taxonomic Classification

Rank	Biscuit skate	Buff-tailed Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Elasmobranchii	Insecta (Insects)
Order	Rajiformes (Rajiformes)	Hymenoptera (Ants, Bees & Wasps)
Family	Rajidae	Andrenidae
Genus	Raja	Andrena
Species	Raja straeleni	Andrena humilis

Evolutionary Relationship

Biscuit skate and Buff-tailed Mining Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Biscuit skate

NT — Near Threatened

Buff-tailed Mining Bee

EX — Extinct

Physical Characteristics

Attribute	Biscuit skate	Buff-tailed Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Biscuit skate

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

Biscuit skate

The Biscuit skate (Raja straeleni) is a species in the genus Raja. It is currently classified as Near Threatened on the IUCN Red List.

Buff-tailed Mining Bee

The Buff-Tailed Mining Bee (Andrena humilis) is a species in the genus Andrena. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.