Bolivian red howler vs common bottlenose dolphin

Alouatta sara compared with Tursiops truncatus

Key Differences

• Bolivian red howler is Near Threatened while common bottlenose dolphin is Least Concern.

Taxonomic Classification

Rank	Bolivian red howler	common bottlenose dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Cetacea (Whales & Dolphins)
Family	Atelidae	Delphinidae (Oceanic Dolphins)
Genus	Alouatta	Tursiops (Bottlenose Dolphins)
Species	Alouatta sara	Tursiops truncatus

Evolutionary Relationship

Bolivian red howler and common bottlenose dolphin share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Bolivian red howler

NT — Near Threatened

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Bolivian red howler	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Bolivian red howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Bolivian red howler

The Bolivian red howler (Alouatta sara) is a species in the genus Alouatta. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.