common bottlenose dolphin vs Pied-Billed Grebe

Tursiops truncatus compared with Podilymbus podiceps

Taxonomic Classification

Rank	common bottlenose dolphin	Pied-Billed Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Podicipediformes (Podicipediformes)
Family	Delphinidae (Oceanic Dolphins)	Podicipedidae
Genus	Tursiops (Bottlenose Dolphins)	Podilymbus
Species	Tursiops truncatus	Podilymbus podiceps

Evolutionary Relationship

common bottlenose dolphin and Pied-Billed Grebe share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Pied-Billed Grebe

LC — Least Concern

Physical Characteristics

Attribute	common bottlenose dolphin	Pied-Billed Grebe
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).

Pied-Billed Grebe

Habitat

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

Range

Widely distributed across Europe (Belgium, Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, 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.

Pied-Billed Grebe

Pied-Billed Grebe (Podilymbus podiceps) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden 🇻🇪 Venezuela