False Bruce Spanworm vs Yellow-billed Cacique

Macaria loricaria compared with Amblycercus holosericeus

Key Differences

• False Bruce Spanworm is Near Threatened while Yellow-billed Cacique is Least Concern.

Taxonomic Classification

Rank	False Bruce Spanworm	Yellow-billed Cacique
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Passeriformes (Songbirds)
Family	Geometridae	Icteridae
Genus	Macaria	Amblycercus
Species	Macaria loricaria	Amblycercus holosericeus

Evolutionary Relationship

False Bruce Spanworm and Yellow-billed Cacique share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

False Bruce Spanworm

NT — Near Threatened

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

Attribute	False Bruce Spanworm	Yellow-billed Cacique
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.

Yellow-billed Cacique

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-billed Cacique

Yellow-billed Cacique (Amblycercus holosericeus) 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