Komodo Dragon vs Thick-billed Fox Sparrow

Varanus komodoensis compared with Passerella megarhyncha

Key Differences

• Komodo Dragon is Endangered while Thick-billed Fox Sparrow is Least Concern.

Taxonomic Classification

Rank	Komodo Dragon	Thick-billed Fox Sparrow
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Reptilia (爬行纲)	Aves (鳥綱)
Order	Squamata (有鱗目)	Passeriformes (雀形目)
Family	Varanidae (Monitor Lizards)	Passerellidae
Genus	Varanus (Monitor Lizards)	Passerella
Species	Varanus komodoensis	Passerella megarhyncha

Evolutionary Relationship

Komodo Dragon and Thick-billed Fox Sparrow share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Thick-billed Fox Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Komodo Dragon	Thick-billed Fox Sparrow
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.

Thick-billed Fox Sparrow

Habitat

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

Komodo Dragon

科莫多巨蜥（Varanus komodoensis）是现存最大的蜥蜴，仅分布于印度尼西亚的少数岛屿。