Fossa vs Greater Crested Tern

Cryptoprocta ferox compared with Thalasseus bergii

Key Differences

• Fossa is Vulnerable while Greater Crested Tern is Least Concern.

Taxonomic Classification

Rank	Fossa	Greater Crested Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Charadriiformes (Charadriiformes)
Family	Eupleridae	Laridae
Genus	Cryptoprocta	Thalasseus
Species	Cryptoprocta ferox	Thalasseus bergii

Evolutionary Relationship

Fossa and Greater Crested Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fossa

VU — Vulnerable

Greater Crested Tern

LC — Least Concern

Physical Characteristics

Attribute	Fossa	Greater Crested Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fossa

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Greater Crested Tern

Habitat

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

Range

Found in Norway.