白头海雕 vs Common Green Darner
Haliaeetus leucocephalus compared with Anax junius
Key Differences
- 白头海雕 is Not Evaluated while Common Green Darner is Least Concern.
Taxonomic Classification
| Rank | 白头海雕 | Common Green Darner |
|---|---|---|
| Kingdom same | Animalia (动物界) | Animalia (动物界) |
| Phylum | Chordata (脊索动物门) | Arthropoda (节肢动物门) |
| Class | Aves (鳥綱) | Insecta (昆蟲綱) |
| Order | Accipitriformes (鷹形目) | Odonata (蜻蜓目) |
| Family | Accipitridae (Hawks & Eagles) | Aeshnidae |
| Genus | Haliaeetus (Sea Eagles) | Anax |
| Species | Haliaeetus leucocephalus | Anax junius |
Evolutionary Relationship
白头海雕 and Common Green Darner share a common ancestor at the Kingdom level: Animalia. (动物界)
Conservation Status
白头海雕
NE — Not EvaluatedPopulation: ~316.7K
Trend: Increasing ↑
Common Green Darner
LC — Least ConcernPhysical Characteristics
| Attribute | 白头海雕 | Common Green Darner |
|---|---|---|
| Diet | Carnivore | — |
| Average Lifespan | 28 years | — |
| Average Length | 90 cm | — |
| Average Weight | 5.0 kg | — |
Habitat & Geographic Range
白头海雕
Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.
Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).
Common Green Darner
Typically found in virtually all terrestrial and freshwater habitats.
Found in United States.
白头海雕
白头海雕是美国国鸟,也是美国生态保护史上的成功案例,曾因滴滴涕(DDT)的广泛使用而濒临灭绝,经保护措施的实施后种群数量已显著恢复。该物种在IUCN红色名录中被评估为无危(LC),以白色头颈和尾羽与深棕色体羽形成的鲜明对比为主要识别特征。它们主要以鱼类为食,也会捕食哺乳动物和腐肉。
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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