Brook Thistle vs Komodo Dragon

Cirsium rivulare compared with Varanus komodoensis

Key Differences

Brook Thistle is Extinct while Komodo Dragon is Endangered.

Taxonomic Classification

Rank	Brook Thistle	Komodo Dragon
Kingdom	Plantae (plante)	Animalia (animal)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Reptilia (Reptiles)
Order	Asterales (Daisies & Sunflowers)	Squamata (Lizards & Snakes)
Family	Asteraceae (Daisy Family)	Varanidae (Monitor Lizards)
Genus	Cirsium	Varanus (Monitor Lizards)
Species	Cirsium rivulare	Varanus komodoensis

Conservation Status

Brook Thistle

EX — Extinct

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	Brook Thistle	Komodo Dragon
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	2.6 m
Average Weight	—	70.0 kg

Habitat & Geographic Range

Brook Thistle

Habitat

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

Range

Found across Europe (7 countries).

Komodo Dragon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Brook Thistle

The Brook Thistle (Cirsium rivulare) is a species in the genus Cirsium. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.