Auckland Islands Merganser vs Red-breasted Merganser

Mergus australis compared with Mergus serrator

Key Differences

• Auckland Islands Merganser is Extinct while Red-breasted Merganser is Least Concern.

Taxonomic Classification

Rank	Auckland Islands Merganser	Red-breasted Merganser
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Anseriformes (Anseriformes)	Anseriformes (Anseriformes)
Family same	Anatidae	Anatidae
Genus same	Mergus	Mergus
Species	Mergus australis	Mergus serrator

Evolutionary Relationship

Auckland Islands Merganser and Red-breasted Merganser share a common ancestor at the Genus level: Mergus.

Conservation Status

Auckland Islands Merganser

EX — Extinct

Red-breasted Merganser

LC — Least Concern

Physical Characteristics

Attribute	Auckland Islands Merganser	Red-breasted Merganser
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Auckland Islands Merganser

Habitat

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

Range

Found in Norway.

Red-breasted Merganser

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia).

Auckland Islands Merganser

The Auckland Islands Merganser (Mergus australis) is a species in the genus Mergus. It is currently classified as Extinct on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Red-breasted Merganser

Red-breasted Merganser (Mergus serrator) 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway