Black Mastiff Bat vs Fierce Orbweaver

Molossus rufus compared with Araneus saevus

Key Differences

• Black Mastiff Bat is Least Concern while Fierce Orbweaver is Near Threatened.

Taxonomic Classification

Rank	Black Mastiff Bat	Fierce Orbweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Chiroptera (Bats)	Araneae (Araneae)
Family	Molossidae	Araneidae
Genus	Molossus	Araneus
Species	Molossus rufus	Araneus saevus

Evolutionary Relationship

Black Mastiff Bat and Fierce Orbweaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Mastiff Bat

LC — Least Concern

Fierce Orbweaver

NT — Near Threatened

Physical Characteristics

Attribute	Black Mastiff Bat	Fierce Orbweaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Fierce Orbweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Canada, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Black Mastiff Bat

The Black Mastiff Bat (Molossus rufus) is a species in the genus Molossus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.