common bottlenose dolphin vs Grey Seedeater

Tursiops truncatus compared with Sporophila intermedia

Taxonomic Classification

Rank	common bottlenose dolphin	Grey Seedeater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Delphinidae (Oceanic Dolphins)	Thraupidae
Genus	Tursiops (Bottlenose Dolphins)	Sporophila
Species	Tursiops truncatus	Sporophila intermedia

Evolutionary Relationship

common bottlenose dolphin and Grey Seedeater share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Grey Seedeater

LC — Least Concern

Physical Characteristics

Attribute	common bottlenose dolphin	Grey Seedeater
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

common bottlenose dolphin

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).

Grey Seedeater

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

common bottlenose dolphin

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.

Grey Seedeater

A small, inconspicuous seedeater with grey-brown plumage and a conical bill, grey seedeaters inhabit open grasslands, savanna, and rice fields across northern South America from Colombia and Venezuela to Trinidad and the Guianas. Males are medium grey with darker wings; females are streaked brown. Highly gregarious, forming large foraging flocks on grass seeds. Like many grassland seedeaters, grey seedeaters are poorly known ecologically and face ongoing pressure from agricultural conversion of native grasslands.

Shared Countries

Both species can be found in 4 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇻🇪 Venezuela