Giant Otter vs Great-tailed Grackle

Pteronura brasiliensis compared with Quiscalus mexicanus

Key Differences

• Giant Otter is Endangered while Great-tailed Grackle is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Great-tailed Grackle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Passeriformes (Songbirds)
Family	Mustelidae (Weasels & Otters)	Icteridae
Genus	Pteronura	Quiscalus
Species	Pteronura brasiliensis	Quiscalus mexicanus

Evolutionary Relationship

Giant Otter and Great-tailed Grackle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Great-tailed Grackle

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Great-tailed Grackle
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.

Great-tailed Grackle

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Great-tailed Grackle

Great-tailed Grackle (Quiscalus mexicanus) 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