Brown-Headed Cowbird vs common bottlenose dolphin

Molothrus ater compared with Tursiops truncatus

Taxonomic Classification

Rank	Brown-Headed Cowbird	common bottlenose dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Cetacea (Whales & Dolphins)
Family	Icteridae	Delphinidae (Oceanic Dolphins)
Genus	Molothrus	Tursiops (Bottlenose Dolphins)
Species	Molothrus ater	Tursiops truncatus

Evolutionary Relationship

Brown-Headed Cowbird and common bottlenose dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown-Headed Cowbird

LC — Least Concern

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Brown-Headed Cowbird	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Brown-Headed Cowbird

Habitat

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

Range

Distributed across Bahamas, Norway, and United States.

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).

Brown-Headed Cowbird

The Brown-headed Cowbird (Molothrus ater) is a species in the genus Molothrus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway