Calao gris vs Tigre

Ocyceros griseus compared with Panthera tigris

Key Differences

• Calao gris is Vulnerable while Tigre is Endangered.

Taxonomic Classification

Rank	Calao gris	Tigre
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Bucerotiformes (Bucerotiformes)	Carnivora (carnivores)
Family	Bucerotidae	Felidae (Cats)
Genus	Ocyceros	Panthera (Big Cats)
Species	Ocyceros griseus	Panthera tigris

Evolutionary Relationship

Calao gris and Tigre share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Calao gris

VU — Vulnerable

Tigre

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	Calao gris	Tigre
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	3.0 m
Average Weight	—	220.0 kg

Habitat & Geographic Range

Calao gris

Habitat

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

Range

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

Tigre

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 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Tigre

The largest wild cat on Earth, tigers can exceed 300 kg and inhabit forests from the Russian Far East to Southeast Asia. Solitary ambush predators with distinctive orange and black striped coats that provide camouflage in dappled light. Critically endangered, with fewer than 4,000 remaining in the wild due to poaching and deforestation.