Black-headed Gull vs Buff-tailed Mining Bee

Chroicocephalus ridibundus compared with Andrena humilis

Key Differences

• Black-headed Gull is Vulnerable while Buff-tailed Mining Bee is Extinct.

Taxonomic Classification

Rank	Black-headed Gull	Buff-tailed Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Charadriiformes (Charadriiformes)	Hymenoptera (Ants, Bees & Wasps)
Family	Laridae	Andrenidae
Genus	Chroicocephalus	Andrena
Species	Chroicocephalus ridibundus	Andrena humilis

Evolutionary Relationship

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

Conservation Status

Black-headed Gull

VU — Vulnerable

Buff-tailed Mining Bee

EX — Extinct

Physical Characteristics

Attribute	Black-headed Gull	Buff-tailed Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Gull

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Black-headed Gull

Black-headed Gull (Chroicocephalus ridibundus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden