Giant Otter vs Silver-rumped Needletail

Pteronura brasiliensis compared with Rhaphidura leucopygialis

Key Differences

• Giant Otter is Endangered while Silver-rumped Needletail is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Silver-rumped Needletail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Apodiformes (Apodiformes)
Family	Mustelidae (Weasels & Otters)	Apodidae
Genus	Pteronura	Rhaphidura
Species	Pteronura brasiliensis	Rhaphidura leucopygialis

Evolutionary Relationship

Giant Otter and Silver-rumped Needletail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Giant Otter

EN — Endangered

Silver-rumped Needletail

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Silver-rumped Needletail
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.

Silver-rumped Needletail

Habitat

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

Range

Found in Norway.