白头海雕 vs

Haliaeetus leucocephalus compared with Chitinophaga taiwanensis

Taxonomic Classification

Rank	白头海雕
Kingdom	Animalia (动物界)	Bacteria (Bacteria)
Phylum	Chordata (脊索动物门)	Bacteroidota (拟杆菌门)
Class	Aves (鳥綱)	Bacteroidia (擬桿菌綱)
Order	Accipitriformes (鷹形目)	Chitinophagales (Chitinophagales)
Family	Accipitridae (Hawks & Eagles)	Chitinophagaceae
Genus	Haliaeetus (Sea Eagles)	Chitinophaga
Species	Haliaeetus leucocephalus	Chitinophaga taiwanensis

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

NE — Not Evaluated

Physical Characteristics

Attribute	白头海雕
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 kg	—

Habitat & Geographic Range

白头海雕

Habitat

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.

Range

Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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。

Chitinophaga taiwanensis is a species of Gram-negative, aerobic bacterium belonging to the genus Chitinophaga in the family Chitinophagaceae. As the specific epithet indicates, this species was first described from soil samples collected in Taiwan. Like all members of Chitinophaga, it possesses the enzymatic machinery to degrade chitin — the structural polysaccharide abundant in fungal cell walls, insect cuticles, and crustacean shells — making it a key participant in the terrestrial nitrogen and carbon cycles. The genus is characterised by gliding motility on semi-solid or solid surfaces, production of pigmented colonies (typically yellow, orange, or tan), and a strictly aerobic metabolism. C. taiwanensis thrives in the rich agricultural and subtropical soils of Taiwan and similar environments, where the turnover of fungal biomass and arthropod debris provides abundant chitin substrate. Research on Chitinophaga species from tropical and subtropical soils has advanced understanding of chitinolytic enzyme diversity and its applications in biocontrol of soil-borne fungal diseases affecting crops. As a bacterium, Chitinophaga taiwanensis is not assessed under IUCN Red List criteria, which are designed for animals, plants, fungi, and other eukaryotes. The species' ecological significance lies in its contribution to soil health, organic matter decomposition, and nitrogen mineralisation in agricultural and natural ecosystems.