False Bruce Spanworm vs Scarlet-bellied Mountain-Tanager

Macaria loricaria compared with Anisognathus igniventris

Key Differences

• False Bruce Spanworm is Near Threatened while Scarlet-bellied Mountain-Tanager is Least Concern.

Taxonomic Classification

Rank	False Bruce Spanworm	Scarlet-bellied Mountain-Tanager
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Passeriformes (Songbirds)
Family	Geometridae	Thraupidae
Genus	Macaria	Anisognathus
Species	Macaria loricaria	Anisognathus igniventris

Evolutionary Relationship

False Bruce Spanworm and Scarlet-bellied Mountain-Tanager share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

False Bruce Spanworm

NT — Near Threatened

Scarlet-bellied Mountain-Tanager

LC — Least Concern

Physical Characteristics

Attribute	False Bruce Spanworm	Scarlet-bellied Mountain-Tanager
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

False Bruce Spanworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Scarlet-bellied Mountain-Tanager

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Scarlet-bellied Mountain-Tanager

Scarlet-bellied Mountain-Tanager (Anisognathus igniventris) 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway