Delfín tonina vs Collalba norteña

Tursiops truncatus compared with Oenanthe oenanthe

Key Differences

• Delfín tonina is Least Concern while Collalba norteña is Critically Endangered.

Taxonomic Classification

Rank	Delfín tonina	Collalba norteña
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (paseriformes)
Family	Delphinidae (Oceanic Dolphins)	Muscicapidae
Genus	Tursiops (Bottlenose Dolphins)	Oenanthe
Species	Tursiops truncatus	Oenanthe oenanthe

Evolutionary Relationship

Delfín tonina and Collalba norteña share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Delfín tonina

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Collalba norteña

CR — Critically Endangered

Physical Characteristics

Attribute	Delfín tonina	Collalba norteña
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

Delfín tonina

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Collalba norteña

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Delfín tonina

La especie de delfín más estudiada y reconocida, los delfines mulares habitan océanos cálidos y templados de todo el mundo, desde las aguas costeras poco profundas hasta el mar abierto. Altamente inteligentes con grandes cerebros en relación con el tamaño corporal, demuestran autoreconocimiento, comunicación compleja y aprendizaje social. Viven en sociedades fluidas de fisión-fusión y cooperan para arrear peces. Una especie indicadora clave de la salud del ecosistema marino.

Collalba norteña

El collalba gris (Oenanthe oenanthe) esta clasificado como En Peligro Critico (CR) en la Lista Roja de la UICN. Enfrenta un riesgo extremadamente alto de extincion en estado silvestre debido al severo declive poblacional y la perdida de habitat.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden