Giant False Brook Salamander vs Red-billed Duck

Isthmura gigantea compared with Anas erythrorhyncha

Key Differences

• Giant False Brook Salamander is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Giant False Brook Salamander	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	Isthmura	Anas
Species	Isthmura gigantea	Anas erythrorhyncha

Evolutionary Relationship

Giant False Brook Salamander and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant False Brook Salamander

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Giant False Brook Salamander	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant False Brook Salamander

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).

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.