Fletcher scale vs Red-billed Duck

Parthenolecanium fletcheri compared with Anas erythrorhyncha

Key Differences

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

Taxonomic Classification

Rank	Fletcher 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	Coccidae	Anatidae
Genus	Parthenolecanium	Anas
Species	Parthenolecanium fletcheri	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Fletcher scale

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Fletcher scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (20 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