mergulhão-serpente vs trinta-réis-boreal / gaivina

Anhinga rufa compared with Sterna hirundo

Key Differences

mergulhão-serpente is Least Concern while trinta-réis-boreal / gaivina is Endangered.

Taxonomic Classification

Rank	mergulhão-serpente	trinta-réis-boreal / gaivina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Aves (ave)	Aves (ave)
Order	Suliformes (Suliformes)	Charadriiformes (Charadriiformes)
Family	Anhingidae	Laridae
Genus	Anhinga	Sterna
Species	Anhinga rufa	Sterna hirundo

Evolutionary Relationship

mergulhão-serpente and trinta-réis-boreal / gaivina share a common ancestor at the Class level: Aves. (ave)

View Class: Aves

Conservation Status

mergulhão-serpente

LC — Least Concern

trinta-réis-boreal / gaivina

EN — Endangered

Physical Characteristics

Attribute	mergulhão-serpente	trinta-réis-boreal / gaivina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

mergulhão-serpente

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

trinta-réis-boreal / gaivina

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.

mergulhão-serpente

The African Darter (Anhinga rufa) is a species in the genus Anhinga. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

trinta-réis-boreal / gaivina

O trinta-réis-comum (Sterna hirundo) está classificado como Em Perigo (EN) na Lista Vermelha da IUCN. Em alto risco de extinção na natureza, com declínio populacional significativo e ameaças contínuas à sobrevivência.