Boreal Thorius vs Red-billed Duck

Thorius boreas compared with Anas erythrorhyncha

Key Differences

• Boreal Thorius is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Boreal Thorius	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Aves (Birds)
Order	Caudata (Caudata)	Anseriformes (Anseriformes)
Family	Plethodontidae	Anatidae
Genus	Thorius	Anas
Species	Thorius boreas	Anas erythrorhyncha

Evolutionary Relationship

Boreal Thorius and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Boreal Thorius

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Boreal Thorius	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

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

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Boreal Thorius

The Boreal Thorius (Thorius boreas) is a species in the genus Thorius. It is currently classified as Endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.