Blue star vs Gray-backed Tern

Amsonia orientalis compared with Onychoprion lunatus

Key Differences

• Blue star is Critically Endangered while Gray-backed Tern is Least Concern.

Taxonomic Classification

Rank	Blue star	Gray-backed Tern
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Gentianales (Gentianales)	Charadriiformes (Charadriiformes)
Family	Apocynaceae	Laridae
Genus	Amsonia	Onychoprion
Species	Amsonia orientalis	Onychoprion lunatus

Conservation Status

Blue star

CR — Critically Endangered

Gray-backed Tern

LC — Least Concern

Physical Characteristics

Attribute	Blue star	Gray-backed Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue star

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Gray-backed Tern

Habitat

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

Range

Found in Norway.

Blue star

The Blue star (Amsonia orientalis) is a species in the genus Amsonia. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.