common bottlenose dolphin vs St Helenian Three-banded Grass-miner

Tursiops truncatus compared with Elachista trifasciata

Key Differences

• common bottlenose dolphin is Least Concern while St Helenian Three-banded Grass-miner is Critically Endangered.

Taxonomic Classification

Rank	common bottlenose dolphin	St Helenian Three-banded Grass-miner
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (チョウ目)
Family	Delphinidae (Oceanic Dolphins)	Elachistidae
Genus	Tursiops (Bottlenose Dolphins)	Elachista
Species	Tursiops truncatus	Elachista trifasciata

Evolutionary Relationship

common bottlenose dolphin and St Helenian Three-banded Grass-miner share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

St Helenian Three-banded Grass-miner

CR — Critically Endangered

Physical Characteristics

Attribute	common bottlenose dolphin	St Helenian Three-banded Grass-miner
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

common bottlenose dolphin

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).

St Helenian Three-banded Grass-miner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

common bottlenose dolphin

最も研究され、最も知られているイルカ種であるバンドウイルカは、沿岸の浅瀬から外洋まで世界中の温暖な海域と温帯海域に生息します。体に対して大きな脳を持つ高度に知性的なこの種は、自己認識、複雑なコミュニケーション、社会的学習を示します。流動的な分裂融合社会で生活し、魚を追い込むために協力します。海洋生態系の健全性の重要な指標種です。