a bird flea vs Ardilla Gris Oriental

Ceratophyllus fringillae compared with Sciurus carolinensis

Taxonomic Classification

Rank	a bird flea	Ardilla Gris Oriental
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Siphonaptera (Siphonaptera)	Rodentia (Rodents)
Family	Ceratophyllidae	Sciuridae (Squirrels)
Genus	Ceratophyllus	Sciurus (Tree Squirrels)
Species	Ceratophyllus fringillae	Sciurus carolinensis

Evolutionary Relationship

a bird flea and Ardilla Gris Oriental share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

a bird flea

NE — Not Evaluated

Ardilla Gris Oriental

NE — Not Evaluated

Trend: Stable →

Physical Characteristics

Attribute	a bird flea	Ardilla Gris Oriental
Diet	—	Omnivore
Average Lifespan	—	6 years
Average Length	—	25 cm
Average Weight	—	500 g

Habitat & Geographic Range

a bird flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, and Sweden.

Ardilla Gris Oriental

Habitat

Typically found in a wide range of habitat types.

Range

Widely distributed across Africa (South Africa), Asia (Indonesia), Europe (10 countries), and North America (Mexico, United States).

a bird flea

The a bird flea (Ceratophyllus fringillae) is a species in the genus Ceratophyllus. It is not yet evaluated on the IUCN Red List. It is found across Denmark, Norway, and Sweden, inhabiting diverse terrestrial and freshwater habitats.

Ardilla Gris Oriental

Native to eastern North America but successfully introduced to Europe and other regions, the eastern gray squirrel is a medium-sized arboreal rodent weighing up to 600 g. Highly adaptable, thriving in forests, parks, and urban gardens, gray squirrels cache thousands of nuts and seeds each autumn, inadvertently planting trees through forgotten caches. In Britain, they have largely displaced the native red squirrel by outcompeting them for food.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden