Flussseeschwalbe vs Napo Spiny-rat

Sterna hirundo compared with Proechimys quadruplicatus

Key Differences

• Flussseeschwalbe is Endangered while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Flussseeschwalbe	Napo Spiny-rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Aves (Vögel)	Mammalia (Säugetiere)
Order	Charadriiformes (Regenpfeiferartige)	Rodentia (Nagetiere)
Family	Laridae	Echimyidae
Genus	Sterna	Proechimys
Species	Sterna hirundo	Proechimys quadruplicatus

Evolutionary Relationship

Flussseeschwalbe and Napo Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Flussseeschwalbe

EN — Endangered

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Flussseeschwalbe	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flussseeschwalbe

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Flussseeschwalbe

Common Tern (Sterna hirundo) 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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela