Fairy Tern vs Four-toed Hedgehog

Sternula nereis compared with Atelerix albiventris

Key Differences

• Fairy Tern is Vulnerable while Four-toed Hedgehog is Least Concern.

Taxonomic Classification

Rank	Fairy Tern	Four-toed Hedgehog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Erinaceomorpha (Erinaceomorpha)
Family	Laridae	Erinaceidae
Genus	Sternula	Atelerix
Species	Sternula nereis	Atelerix albiventris

Evolutionary Relationship

Fairy Tern and Four-toed Hedgehog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fairy Tern

VU — Vulnerable

Four-toed Hedgehog

LC — Least Concern

Physical Characteristics

Attribute	Fairy Tern	Four-toed Hedgehog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fairy Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.