Angular water-starwort vs Brown Rat

Callitriche cribrosa compared with Rattus norvegicus

Key Differences

Angular water-starwort is Near Threatened while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Angular water-starwort	Brown Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Lamiales (Lamiales)	Rodentia (Rodents)
Family	Plantaginaceae	Muridae (Mice & Rats)
Genus	Callitriche	Rattus
Species	Callitriche cribrosa	Rattus norvegicus

Conservation Status

Angular water-starwort

NT — Near Threatened

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Angular water-starwort	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Angular water-starwort

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Portugal. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Angular water-starwort

The Angular water-starwort (Callitriche cribrosa) is a species in the genus Callitriche. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Brown Rat

Brown Rat (Rattus norvegicus) 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.