Alder Flycatcher vs Guam Flying Fox

Empidonax alnorum compared with Pteropus tokudae

Key Differences

• Alder Flycatcher is Least Concern while Guam Flying Fox is Extinct.

Taxonomic Classification

Rank	Alder Flycatcher	Guam Flying Fox
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Chiroptera (Bats)
Family	Tyrannidae	Pteropodidae (Fruit Bats)
Genus	Empidonax	Pteropus (Flying Foxes)
Species	Empidonax alnorum	Pteropus tokudae

Evolutionary Relationship

Alder Flycatcher and Guam Flying Fox share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alder Flycatcher

LC — Least Concern

Guam Flying Fox

EX — Extinct

Physical Characteristics

Attribute	Alder Flycatcher	Guam Flying Fox
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Flycatcher

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Guam Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Alder Flycatcher

Alder Flycatcher (Empidonax alnorum) 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.