Epaulard vs Marshall's Iora

Orcinus orca compared with Aegithina nigrolutea

Key Differences

Epaulard is Data Deficient while Marshall's Iora is Least Concern.

Taxonomic Classification

Rank	Epaulard	Marshall's Iora
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Delphinidae (Oceanic Dolphins)	Aegithinidae
Genus	Orcinus (Orcas)	Aegithina
Species	Orcinus orca	Aegithina nigrolutea

Evolutionary Relationship

Epaulard and Marshall's Iora share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Epaulard

DD — Data Deficient

Population: ~50.0K

Trend: Unknown ?

Marshall's Iora

LC — Least Concern

Physical Characteristics

Attribute	Epaulard	Marshall's Iora
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	8.0 m	—
Average Weight	5.4 t	—

Habitat & Geographic Range

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).

Marshall's Iora

Habitat

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

Range

Found in Norway.

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.