Calayan Rail vs Onca

Gallirallus calayanensis compared with Panthera onca

Key Differences

• Calayan Rail is Vulnerable while Onca is Near Threatened.

Taxonomic Classification

Rank	Calayan Rail	Onca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Aves (ave)	Mammalia (mamíferos)
Order	Gruiformes (Gruiformes)	Carnivora (carnívoros)
Family	Rallidae	Felidae (Cats)
Genus	Gallirallus	Panthera (Big Cats)
Species	Gallirallus calayanensis	Panthera onca

Evolutionary Relationship

Calayan Rail and Onca share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Calayan Rail

VU — Vulnerable

Onca

NT — Near Threatened

Population: ~64.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Calayan Rail	Onca
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	1.9 m
Average Weight	—	100.0 kg

Habitat & Geographic Range

Calayan Rail

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.

Onca

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, Ecuador, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Calayan Rail

The Calayan Rail (Gallirallus calayanensis) is a species in the genus Gallirallus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Onca

O maior felino das Américas, atingindo até 100 kg com corpo robusto e musculoso e pelagem com padrão de rosetas característico. Encontrado do México até a América do Sul, com populações mais expressivas na Amazônia e no Pantanal. Nadadores poderosos e predadores de topo, os jaguares desempenham papel fundamental na regulação das populações de presas. Classificado como Quase Ameaçado, com sua área de ocorrência diminuindo devido ao desmatamento.