American black bear vs 小鬚鯨

Ursus americanus compared with Balaenoptera acutorostrata

Taxonomic Classification

Rank	American black bear	小鬚鯨
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Carnivora (食肉目)	Cetacea (Whales & Dolphins)
Family	Ursidae (Bears)	Balaenopteridae (Rorquals)
Genus	Ursus (Bears)	Balaenoptera (Rorquals)
Species	Ursus americanus	Balaenoptera acutorostrata

Evolutionary Relationship

American black bear and 小鬚鯨 share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

American black bear

LC — Least Concern

小鬚鯨

LC — Least Concern

Physical Characteristics

Attribute	American black bear	小鬚鯨
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American black bear

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

小鬚鯨

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador).

American black bear

The American black bear (Ursus americanus) is a species in the genus Ursus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

小鬚鯨

袋鲸（Berardius minimus）是一种分布于北太平洋的中等体型喙鲸，是近年来通过基因和形态学研究新认定的物种。该物种保护状态为数据缺乏（DD），其深海栖息习性使得系统性的种群调查极为困难。