Common Buttercup vs Polynesian rat

Ranunculus acris compared with Rattus exulans

Taxonomic Classification

Rank	Common Buttercup	Polynesian rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Ranunculales (Ranunculales)	Rodentia (Rodents)
Family	Ranunculaceae	Muridae (Mice & Rats)
Genus	Ranunculus	Rattus
Species	Ranunculus acris	Rattus exulans

Conservation Status

Common Buttercup

LC — Least Concern

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Common Buttercup	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Buttercup

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (10 countries), North America (Canada, United States), and Oceania and the Pacific (Australia, New Zealand).

Polynesian rat

Habitat

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

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Common Buttercup

<em>Ranunculus acris</em>, commonly known as the common buttercup, is a widely distributed plant species found across Asia, Europe, North America, and Oceania. It typically thrives in diverse terrestrial habitats, often colonizing meadows, pastures, roadsides, and disturbed ground with moist, well-drained soils. The species is classified as Least Concern on the IUCN Red List, reflecting its broad range and generally stable populations. Common buttercup belongs to the genus <em>Ranunculus</em> within the family Ranunculaceae. It is a perennial herbaceous plant that typically produces distinctive bright yellow, glossy petals and is commonly associated with temperate grassland ecosystems. The species is known to contain toxic alkaloids, making it generally unpalatable to livestock when fresh, though it loses toxicity upon drying. Biological traits such as average lifespan, plant height, and mass of this species remain poorly documented in the scientific literature. Its cosmopolitan distribution across multiple continents underscores its ecological versatility and its ability to colonize a wide variety of environments.

Shared Countries

Both species can be found in 4 countries:

🇦🇺 Australia 🇯🇵 Japan 🇳🇿 New Zealand 🇺🇸 United States