白头海雕 vs Common Buttercup

Haliaeetus leucocephalus compared with Ranunculus acris

Key Differences

白头海雕 is Not Evaluated while Common Buttercup is Least Concern.

Taxonomic Classification

Rank	白头海雕	Common Buttercup
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Aves (鳥綱)	Magnoliopsida (木兰纲)
Order	Accipitriformes (鷹形目)	Ranunculales (毛茛目)
Family	Accipitridae (Hawks & Eagles)	Ranunculaceae
Genus	Haliaeetus (Sea Eagles)	Ranunculus
Species	Haliaeetus leucocephalus	Ranunculus acris

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Common Buttercup

LC — Least Concern

Physical Characteristics

Attribute	白头海雕	Common Buttercup
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

白头海雕

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).

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).

白头海雕

白头海雕是美国国鸟，也是美国生态保护史上的成功案例，曾因滴滴涕（DDT）的广泛使用而濒临灭绝，经保护措施的实施后种群数量已显著恢复。该物种在IUCN红色名录中被评估为无危（LC），以白色头颈和尾羽与深棕色体羽形成的鲜明对比为主要识别特征。它们主要以鱼类为食，也会捕食哺乳动物和腐肉。

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.