Amazonian Marsh Rat vs Olive-Side Flycatcher

Holochilus sciureus compared with Contopus cooperi

Key Differences

• Amazonian Marsh Rat is Least Concern while Olive-Side Flycatcher is Near Threatened.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Olive-Side Flycatcher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Tyrannidae
Genus	Holochilus	Contopus
Species	Holochilus sciureus	Contopus cooperi

Evolutionary Relationship

Amazonian Marsh Rat and Olive-Side Flycatcher share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Olive-Side Flycatcher

NT — Near Threatened

Physical Characteristics

Attribute	Amazonian Marsh Rat	Olive-Side Flycatcher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Olive-Side Flycatcher

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Olive-Side Flycatcher

Olive-Side Flycatcher (Contopus cooperi) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela