Early Buttercup vs Javan Rusa

Ranunculus fascicularis compared with Rusa timorensis

Key Differences

• Early Buttercup is Extinct while Javan Rusa is Vulnerable.

Taxonomic Classification

Rank	Early Buttercup	Javan Rusa
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Ranunculales (Ranunculales)	Artiodactyla (Even-toed Ungulates)
Family	Ranunculaceae	Cervidae (Deer)
Genus	Ranunculus	Rusa
Species	Ranunculus fascicularis	Rusa timorensis

Conservation Status

Early Buttercup

EX — Extinct

Javan Rusa

VU — Vulnerable

Physical Characteristics

Attribute	Early Buttercup	Javan Rusa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Early Buttercup

Habitat

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

Range

Distributed across Canada and United States.

Javan Rusa

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Afrotropic and Oceanian realms.

Range

Distributed across Mauritius, New Zealand, and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.