Cat flea vs Red-billed Duck

Ctenocephalides felis compared with Anas erythrorhyncha

Key Differences

• Cat flea is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Cat flea	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Siphonaptera (Siphonaptera)	Anseriformes (Anseriformes)
Family	Pulicidae	Anatidae
Genus	Ctenocephalides	Anas
Species	Ctenocephalides felis	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Cat flea

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Cat flea	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cat flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Europe (6 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).

Cat flea

The Cat flea (Ctenocephalides felis) is a species in the genus Ctenocephalides. Typically found in virtually all terrestrial and freshwater habitats.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway