Red-billed Duck vs Spruce Budworm

Anas erythrorhyncha compared with Choristoneura fumiferana

Key Differences

• Red-billed Duck is Least Concern while Spruce Budworm is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Spruce Budworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Lepidoptera (Butterflies & Moths)
Family	Anatidae	Tortricidae
Genus	Anas	Choristoneura
Species	Anas erythrorhyncha	Choristoneura fumiferana

Evolutionary Relationship

Red-billed Duck and Spruce Budworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Spruce Budworm

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Spruce Budworm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Spruce Budworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada, Denmark, Norway, and United States.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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