Amazonian Marsh Rat vs Bear-clawed Nomad Bee

Holochilus sciureus compared with Nomada baccata

Key Differences

• Amazonian Marsh Rat is Least Concern while Bear-clawed Nomad Bee is Critically Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Bear-clawed Nomad Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Hymenoptera (Ants, Bees & Wasps)
Family	Cricetidae	Apidae (Bees)
Genus	Holochilus	Nomada
Species	Holochilus sciureus	Nomada baccata

Evolutionary Relationship

Amazonian Marsh Rat and Bear-clawed Nomad Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Bear-clawed Nomad Bee

CR — Critically Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Bear-clawed Nomad Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Bear-clawed Nomad Bee

Habitat

Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Bear-clawed Nomad Bee

The Bear-clawed Nomad Bee (Nomada baccata) is a species in the genus Nomada. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.