Australian Tern vs Gull-billed Tern

Gelochelidon macrotarsa compared with Gelochelidon nilotica

Taxonomic Classification

Rank	Australian Tern	Gull-billed Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Gelochelidon	Gelochelidon
Species	Gelochelidon macrotarsa	Gelochelidon nilotica

Evolutionary Relationship

Australian Tern and Gull-billed Tern share a common ancestor at the Genus level: Gelochelidon.

Conservation Status

Australian Tern

LC — Least Concern

Gull-billed Tern

LC — Least Concern

Physical Characteristics

Attribute	Australian Tern	Gull-billed Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Australian Tern

Habitat

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

Gull-billed Tern

Habitat

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

Range

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

Australian Tern

The Australian Tern (Gelochelidon macrotarsa) is a species in the genus Gelochelidon. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Gull-billed Tern

Gull-billed Tern (Gelochelidon nilotica) 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.