Francois' langur vs sei whale

Trachypithecus francoisi compared with Balaenoptera borealis

Taxonomic Classification

Rank	Francois' langur	sei whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Cetacea (Whales & Dolphins)
Family	Cercopithecidae (Old World Monkeys)	Balaenopteridae (Rorquals)
Genus	Trachypithecus	Balaenoptera (Rorquals)
Species	Trachypithecus francoisi	Balaenoptera borealis

Evolutionary Relationship

Francois' langur and sei whale share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Francois' langur

EN — Endangered

sei whale

EN — Endangered

Physical Characteristics

Attribute	Francois' langur	sei whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Francois' langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

sei whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.