Giant Otter vs Wilson's Phalarope

Pteronura brasiliensis compared with Phalaropus tricolor

Key Differences

• Giant Otter is Endangered while Wilson's Phalarope is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Wilson's Phalarope
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Charadriiformes (Charadriiformes)
Family	Mustelidae (Weasels & Otters)	Scolopacidae
Genus	Pteronura	Phalaropus
Species	Pteronura brasiliensis	Phalaropus tricolor

Evolutionary Relationship

Giant Otter and Wilson's Phalarope share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Wilson's Phalarope

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Wilson's Phalarope
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Wilson's Phalarope

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Wilson's Phalarope

Wilson's Phalarope (Phalaropus tricolor) 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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela