a bat flea vs Big Finner

Ischnopsyllus intermedius compared with Balaenoptera physalus

Key Differences

• a bat flea is Not Evaluated while Big Finner is Endangered.

Taxonomic Classification

Rank	a bat flea	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Siphonaptera (Siphonaptera)	Cetacea (Whales & Dolphins)
Family	Ischnopsyllidae	Balaenopteridae (Rorquals)
Genus	Ischnopsyllus	Balaenoptera (Rorquals)
Species	Ischnopsyllus intermedius	Balaenoptera physalus

Evolutionary Relationship

a bat flea and Big Finner share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

a bat flea

NE — Not Evaluated

Big Finner

EN — Endangered

Physical Characteristics

Attribute	a bat flea	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

a bat flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

a bat flea

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

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden