小鬚鯨 vs Cliff Mining Bee

Balaenoptera acutorostrata compared with Andrena thoracica

Key Differences

• 小鬚鯨 is Least Concern while Cliff Mining Bee is Extinct.

Taxonomic Classification

Rank	小鬚鯨	Cliff Mining Bee
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Arthropoda (节肢动物门)
Class	Mammalia (哺乳動物)	Insecta (昆蟲綱)
Order	Cetacea (Whales & Dolphins)	Hymenoptera (膜翅目)
Family	Balaenopteridae (Rorquals)	Andrenidae
Genus	Balaenoptera (Rorquals)	Andrena
Species	Balaenoptera acutorostrata	Andrena thoracica

Evolutionary Relationship

小鬚鯨 and Cliff Mining Bee share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

小鬚鯨

LC — Least Concern

Cliff Mining Bee

EX — Extinct

Physical Characteristics

Attribute	小鬚鯨	Cliff Mining Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Cliff Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

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。

Cliff Mining Bee

The Cliff Mining Bee, Andrena species in the family Andrenidae, is a solitary ground-nesting bee that excavates tunnels in cliff faces, earthen banks, and compacted sandy or loamy soils, where the loose or friable substrates exposed in cliff profiles provide ideal nesting conditions. Mining bees in the genus Andrena are among the most species-rich solitary bee genera in the world, with hundreds of species across the Holarctic region, many narrowly specialized in their choice of pollen host plants. Female cliff mining bees construct vertical or angled burrows in cliff faces, with lateral cells off the main shaft, each containing a pollen ball and a single egg. Males are typically smaller and emerge before females to establish territories near nesting sites. Many Andrena species are oligolectic, collecting pollen from only a small number of plant species, making their populations sensitive to the availability of specific flowering plants in the landscape surrounding nesting areas. Cliff and bank nesting habitats provide well-drained, sun-warmed substrates essential for brood development. The loss of natural cliff faces and earthen banks to development, vegetation succession, and quarrying reduces available nesting habitat for cliff mining bees.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden