Komodo Dragon vs Ruff

Varanus komodoensis compared with Calidris pugnax

Key Differences

• Komodo Dragon is Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Komodo Dragon	Ruff
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Reptilia (爬虫類)	Aves (鳥類)
Order	Squamata (有鱗目)	Charadriiformes (チドリ目)
Family	Varanidae (Monitor Lizards)	Scolopacidae
Genus	Varanus (Monitor Lizards)	Calidris
Species	Varanus komodoensis	Calidris pugnax

Evolutionary Relationship

Komodo Dragon and Ruff share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Komodo Dragon	Ruff
Diet	Carnivore	—
Average Lifespan	30 years	—
Average Length	2.6 m	—
Average Weight	70.0 kg	—

Habitat & Geographic Range

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.

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

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。

Ruff

Ruff（Calidris pugnax）は IUCN レッドリストで軽度懸念（LC）に分類されている。分布域全体に広く分布し個体数も豊富で、個体群は安定しており差し迫った保全上の懸念はない。