瓶鼻海豚 vs Common Water-Crowfoot

Tursiops truncatus compared with Ranunculus aquatilis

Taxonomic Classification

Rank	瓶鼻海豚	Common Water-Crowfoot
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Magnoliopsida (木兰纲)
Order	Cetacea (Whales & Dolphins)	Ranunculales (毛茛目)
Family	Delphinidae (Oceanic Dolphins)	Ranunculaceae
Genus	Tursiops (Bottlenose Dolphins)	Ranunculus
Species	Tursiops truncatus	Ranunculus aquatilis

Conservation Status

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Common Water-Crowfoot

LC — Least Concern

Physical Characteristics

Attribute	瓶鼻海豚	Common Water-Crowfoot
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

瓶鼻海豚

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Common Water-Crowfoot

Habitat

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

Range

Widely distributed across Asia (India), Europe (5 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia), and South America (Chile).

瓶鼻海豚

作为研究最广泛、最受认可的海豚物种，宽吻海豚栖息于全球从沿岸浅水到远洋的温暖和温带海域。高度智能，大脑相对体型较大，展示自我认知、复杂交流和社会学习。生活在流动的分裂-融合社会中，合作围捕鱼群。是海洋生态系统健康的关键指示物种。

Common Water-Crowfoot

<em>Ranunculus aquatilis</em>, commonly known as the common water crowfoot or white water buttercup, is an aquatic flowering plant in the family Ranunculaceae. It is classified as Least Concern by the IUCN and enjoys a nearly cosmopolitan distribution, occurring in freshwater habitats across Europe, Asia, North America, and parts of Africa and South America. The species typically inhabits ponds, ditches, slow rivers, and streams, where it roots in sediment and produces both submerged finely divided leaves and floating rounded leaves. The white five-petaled flowers emerge above the water surface from spring through early summer, providing important nectar resources for pollinators. <em>Ranunculus aquatilis</em> is highly adaptable, with leaf morphology shifting according to water depth and flow velocity. Submerged leaves are thread-like and flexible, reducing drag in flowing water, while floating leaves are broad and rounded to maximize light capture. The plant typically reproduces both sexually through seed production and vegetatively through fragmentation of stems and rhizomes. Biological traits including average lifespan, height, and mass remain poorly documented in standardized databases. Ecologically, common water crowfoot is a foundational species in many freshwater plant communities, providing structural habitat for invertebrates and small fish, contributing to oxygenation, and serving as a food source for waterfowl and aquatic herbivores across its wide global range.