Речная крачка vs Fraser's dolphin

Sterna hirundo compared with Lagenodelphis hosei

Key Differences

Речная крачка is Endangered while Fraser's dolphin is Least Concern.

Taxonomic Classification

Rank	Речная крачка	Fraser's dolphin
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Aves (птицы)	Mammalia (млекопитающие)
Order	Charadriiformes (ржанкообразные)	Cetacea (Whales & Dolphins)
Family	Laridae	Delphinidae (Oceanic Dolphins)
Genus	Sterna	Lagenodelphis
Species	Sterna hirundo	Lagenodelphis hosei

Evolutionary Relationship

Речная крачка and Fraser's dolphin share a common ancestor at the Phylum level: Chordata. (хордовые)

Просмотреть Phylum: Chordata

Conservation Status

Речная крачка

EN — Endangered

Fraser's dolphin

LC — Least Concern

Physical Characteristics

Attribute	Речная крачка	Fraser's dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Речная крачка

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.

Fraser's dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal), and South America (Colombia, Ecuador, Venezuela).

Речная крачка

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.