Nelson s Antelope Squirrel vs Olive-Side Flycatcher

Ammospermophilus nelsoni compared with Contopus cooperi

Key Differences

• Nelson s Antelope Squirrel is Endangered while Olive-Side Flycatcher is Near Threatened.

Taxonomic Classification

Rank	Nelson s Antelope Squirrel	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	Sciuridae (Squirrels)	Tyrannidae
Genus	Ammospermophilus	Contopus
Species	Ammospermophilus nelsoni	Contopus cooperi

Evolutionary Relationship

Nelson s Antelope Squirrel and Olive-Side Flycatcher share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Nelson s Antelope Squirrel

EN — Endangered

Olive-Side Flycatcher

NT — Near Threatened

Physical Characteristics

Attribute	Nelson s Antelope Squirrel	Olive-Side Flycatcher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nelson s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

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.