ホシハジロ vs Komodo Dragon

Aythya ferina compared with Varanus komodoensis

Key Differences

• ホシハジロ is Near Threatened while Komodo Dragon is Endangered.

Taxonomic Classification

Rank	ホシハジロ	Komodo Dragon
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Reptilia (爬虫類)
Order	Anseriformes (カモ目)	Squamata (有鱗目)
Family	Anatidae	Varanidae (Monitor Lizards)
Genus	Aythya	Varanus (Monitor Lizards)
Species	Aythya ferina	Varanus komodoensis

Evolutionary Relationship

ホシハジロ and Komodo Dragon share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

ホシハジロ

NT — Near Threatened

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	ホシハジロ	Komodo Dragon
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	2.6 m
Average Weight	—	70.0 kg

Habitat & Geographic Range

ホシハジロ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (8 countries), and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Komodo Dragon

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 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

ホシハジロ

ホシハジロ（Aythya ferina）はIUCNレッドリストで準絶滅危惧（NT）に分類されている。脅威のある種の基準に近く、保全措置がなければ脆弱になる可能性がある。

Komodo Dragon

コモドオオトカゲ（Varanus komodoensis）は現存する最大のトカゲである。インドネシアのいくつかの島にのみ生息している。