Oak aphid vs Red-billed Duck

Myzocallis castanicola compared with Anas erythrorhyncha

Key Differences

• Oak aphid is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Oak aphid	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Hemiptera (Hemiptera)	Anseriformes (Anseriformes)
Family	Aphididae	Anatidae
Genus	Myzocallis	Anas
Species	Myzocallis castanicola	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Oak aphid

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Oak aphid	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Oak aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

Red-billed Duck

Habitat

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

Range

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

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