Giant Otter vs 小灰眉夜鹰

Pteronura brasiliensis compared with Chordeiles acutipennis

Key Differences

• Giant Otter is Endangered while 小灰眉夜鹰 is Least Concern.

Taxonomic Classification

Rank	Giant Otter	小灰眉夜鹰
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Carnivora (食肉目)	Caprimulgiformes (夜鷹目)
Family	Mustelidae (Weasels & Otters)	Caprimulgidae
Genus	Pteronura	Chordeiles
Species	Pteronura brasiliensis	Chordeiles acutipennis

Evolutionary Relationship

Giant Otter and 小灰眉夜鹰 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Giant Otter

EN — Endangered

小灰眉夜鹰

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	小灰眉夜鹰
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.

小灰眉夜鹰

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

小灰眉夜鹰

小蟾蜍夜鹰（Chordeiles acutipennis）被IUCN红色名录列为无危（LC）物种。在其分布范围内广泛分布，种群数量丰富稳定，无紧迫的保护问题。

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela