Bare-bellied Hedgehog vs Sandwich Tern

Paraechinus nudiventris compared with Thalasseus sandvicensis

Taxonomic Classification

Rank	Bare-bellied Hedgehog	Sandwich Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Erinaceomorpha (Erinaceomorpha)	Charadriiformes (Charadriiformes)
Family	Erinaceidae	Laridae
Genus	Paraechinus	Thalasseus
Species	Paraechinus nudiventris	Thalasseus sandvicensis

Evolutionary Relationship

Bare-bellied Hedgehog and Sandwich Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bare-bellied Hedgehog

LC — Least Concern

Sandwich Tern

LC — Least Concern

Physical Characteristics

Attribute	Bare-bellied Hedgehog	Sandwich Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bare-bellied Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sandwich Tern

Habitat

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

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

Bare-bellied Hedgehog

The Bare-bellied Hedgehog (Paraechinus nudiventris) is a species in the genus Paraechinus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Sandwich Tern

Sandwich Tern (Thalasseus sandvicensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.