trinta-réis-boreal / gaivina vs koala

Sterna hirundo compared with Phascolarctos cinereus

Key Differences

  • trinta-réis-boreal / gaivina is Endangered while koala is Vulnerable.

Taxonomic Classification

Rank trinta-réis-boreal / gaivina koala
Kingdom same Animalia (Animals) Animalia (Animals)
Phylum same Chordata (cordados) Chordata (cordados)
Class Aves (ave) Mammalia (mamíferos)
Order Charadriiformes (Charadriiformes) Diprotodontia (Marsupials)
Family Laridae Phascolarctidae (Koalas)
Genus Sterna Phascolarctos (Koalas)
Species Sterna hirundo Phascolarctos cinereus

Evolutionary Relationship

trinta-réis-boreal / gaivina and koala share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

trinta-réis-boreal / gaivina

EN — Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute trinta-réis-boreal / gaivina koala
Diet Herbivore
Average Lifespan 15 years
Average Length 75 cm
Average Weight 10.0 kg

Habitat & Geographic Range

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.

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

koala

Icônico marsupial do leste e sudeste da Austrália, os coalas pesam até 15 kg e passam até 22 horas diárias dormindo para conservar energia de sua dieta de folhas de eucalipto, com baixo teor calórico. Altamente especializados para processar os compostos tóxicos do eucalipto que matariam a maioria dos outros mamíferos, possuem microbiomas intestinais unicamente adaptados para a destoxificação. Classificado como Em Perigo em 2022, com populações dizimadas pela doença de clamídia, desmatamento e mudanças climáticas.

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