Fern scale vs Red-billed Duck

Pinnaspis aspidistrae compared with Anas erythrorhyncha

Key Differences

• Fern scale is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Fern scale	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	Diaspididae	Anatidae
Genus	Pinnaspis	Anas
Species	Pinnaspis aspidistrae	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Fern scale

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Fern scale	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fern scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (21 countries) and North America (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 6 countries:

🇧🇪 Belgium 🇫🇷 France 🇩🇪 Germany 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom