African elephant vs Common Green Darner
Loxodonta africana compared with Anax junius
Key Differences
- African elephant is Vulnerable while Common Green Darner is Least Concern.
Taxonomic Classification
| Rank | African elephant | Common Green Darner |
|---|---|---|
| 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 | Proboscidea (ゾウ目) | Odonata (蜻蛉目) |
| Family | Elephantidae (Elephants) | Aeshnidae |
| Genus | Loxodonta (African Elephants) | Anax |
| Species | Loxodonta africana | Anax junius |
Evolutionary Relationship
African elephant and Common Green Darner share a common ancestor at the Kingdom level: Animalia. (動物)
Conservation Status
African elephant
VU — VulnerablePopulation: ~415.0K
Trend: Decreasing ↓
Common Green Darner
LC — Least ConcernPhysical Characteristics
| Attribute | African elephant | Common Green Darner |
|---|---|---|
| Diet | Herbivore | — |
| Average Lifespan | 65 years | — |
| Average Length | 6.0 m | — |
| Average Weight | 6.0 t | — |
Habitat & Geographic Range
African elephant
Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.
Found in Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Common Green Darner
Typically found in virtually all terrestrial and freshwater habitats.
Found in United States.
African elephant
地球上最大の陸上動物であるアフリカゾウは体重7,000 kgに達し、サハラ以南のサバンナ、森林、湿地に生息する。成熟した雌が群れを率いる高度に知的な社会構造を持ち、超低周波音やうなり声、接触によって意思疎通する。木を引き倒したり水飲み場を掘ったり種子を散布したりすることで生態系を形成するエンジニア種だが、象牙の密猟や生息地の喪失により個体数は減少しており、危急(VU)とされている。
Common Green Darner
<em>Anax junius</em>, commonly known as the common green darner, is a large dragonfly belonging to the genus Anax within the family Aeshnidae. This species occupies virtually all terrestrial and freshwater habitats, and its range is centered on the United States, where it is one of the most recognizable and widespread dragonfly species. Common green darner is assessed as Least Concern on the IUCN Red List. The species is well known for undertaking long-distance migrations, with populations moving southward in autumn and northward in spring across North America. Adults are typically found near ponds, lakes, and slow-moving streams where females deposit eggs in aquatic vegetation. Biological traits of this species remain poorly documented in the scientific literature.
Related Comparisons
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