Komodo Dragon vs Calao de Walden

Varanus komodoensis compared with Rhabdotorrhinus waldeni

Key Differences

• Komodo Dragon is Endangered while Calao de Walden is Critically Endangered.

Taxonomic Classification

Rank	Komodo Dragon	Calao de Walden
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptiles)	Aves (oiseau)
Order	Squamata (Lizards & Snakes)	Bucerotiformes (Bucerotiformes)
Family	Varanidae (Monitor Lizards)	Bucerotidae
Genus	Varanus (Monitor Lizards)	Rhabdotorrhinus
Species	Varanus komodoensis	Rhabdotorrhinus waldeni

Evolutionary Relationship

Komodo Dragon and Calao de Walden share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Calao de Walden

CR — Critically Endangered

Physical Characteristics

Attribute	Komodo Dragon	Calao de Walden
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.

Calao de Walden

Habitat

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

Range

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

Komodo Dragon

The Komodo dragon is the largest living lizard. It is found only on a few Indonesian islands.