Giant Otter vs slender thistle

Pteronura brasiliensis compared with Carduus tenuiflorus

Key Differences

• Giant Otter is Endangered while slender thistle is Near Threatened.

Taxonomic Classification

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

Conservation Status

Giant Otter

EN — Endangered

slender thistle

NT — Near Threatened

Physical Characteristics

Attribute	Giant Otter	slender thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

slender thistle

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (7 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.