Black-marked Robber Frog vs Red-billed Duck

Pristimantis melanoproctus compared with Anas erythrorhyncha

Key Differences

• Black-marked Robber Frog is Data Deficient while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Black-marked Robber Frog	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Aves (Birds)
Order	Anura (Frogs & Toads)	Anseriformes (Anseriformes)
Family	Craugastoridae	Anatidae
Genus	Pristimantis	Anas
Species	Pristimantis melanoproctus	Anas erythrorhyncha

Evolutionary Relationship

Black-marked Robber Frog and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-marked Robber Frog

DD — Data Deficient

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Black-marked Robber Frog	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-marked Robber Frog

Habitat

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

Range

Found in Venezuela.

Red-billed Duck

Habitat

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

Range

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

Black-marked Robber Frog

The Black-marked Robber Frog (Pristimantis melanoproctus) is a species in the genus Pristimantis. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. 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.