Australian Tern vs Epaulard

Gelochelidon macrotarsa compared with Orcinus orca

Key Differences

• Australian Tern is Least Concern while Epaulard is Data Deficient.

Taxonomic Classification

Rank	Australian Tern	Epaulard
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Aves (طيور)	Mammalia (ثدييات)
Order	Charadriiformes (إفجيجيات)	Cetacea (Whales & Dolphins)
Family	Laridae	Delphinidae (Oceanic Dolphins)
Genus	Gelochelidon	Orcinus (Orcas)
Species	Gelochelidon macrotarsa	Orcinus orca

Evolutionary Relationship

Australian Tern and Epaulard share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Australian Tern

LC — Least Concern

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Physical Characteristics

Attribute	Australian Tern	Epaulard
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	8.0 m
Average Weight	—	5.4 t

Habitat & Geographic Range

Australian Tern

Habitat

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

Epaulard

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), 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.

Epaulard

The largest member of the dolphin family, orcas reach up to 9 meters and 6 tonnes and are found in every ocean from Arctic to Antarctic. Apex predators living in matrilineal pods with distinct dialects, hunting strategies, and cultural traditions that differ between populations. Some populations specialize in fish, others in marine mammals. No natural predators; orcas sit at the top of every marine food chain they inhabit.