Black Thistle vs Giant Otter

Cirsium vulgare compared with Pteronura brasiliensis

Key Differences

Black Thistle is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Black Thistle	Giant Otter
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Asterales (Daisies & Sunflowers)	Carnivora (Carnivorans)
Family	Asteraceae (Daisy Family)	Mustelidae (Weasels & Otters)
Genus	Cirsium	Pteronura
Species	Cirsium vulgare	Pteronura brasiliensis

Conservation Status

Black Thistle

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Black Thistle	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Thistle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and montane grasslands and shrublands, among 5 distinct biome types spanning the Afrotropic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (8 countries), Asia (Israel, Japan, Taiwan), Europe (12 countries), North America (5 countries), Oceania and the Pacific (Australia, New Zealand), and South America (7 countries).

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Thistle

The Black Thistle (Cirsium vulgare) is a species in the genus Cirsium. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and montane grasslands and shrublands, among 5 distinct biome types spanning the Afrotropic an, found across Argentina, Australia, Belgium, Bolivia, Brazil, and more.