Lesser Cachalot vs Lesser Scaup

Kogia breviceps compared with Aythya affinis

Key Differences

• Lesser Cachalot is Data Deficient while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Lesser Cachalot	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Anseriformes (Anseriformes)
Family	Kogiidae	Anatidae
Genus	Kogia	Aythya
Species	Kogia breviceps	Aythya affinis

Evolutionary Relationship

Lesser Cachalot and Lesser Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Cachalot

DD — Data Deficient

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Lesser Cachalot	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and Taiwan.

Lesser Scaup

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Lesser Scaup

Lesser Scaup (Aythya affinis) 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 4 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇸🇪 Sweden 🇹🇼 Taiwan