grand dauphin, souffleur, dauphin à gros nez vs koala

Tursiops truncatus compared with Phascolarctos cinereus

Key Differences

• grand dauphin, souffleur, dauphin à gros nez is Least Concern while koala is Vulnerable.
• grand dauphin, souffleur, dauphin à gros nez is carnivore while koala is herbivore.
• grand dauphin, souffleur, dauphin à gros nez is 30.0x heavier than koala.
• grand dauphin, souffleur, dauphin à gros nez lives longer (45 years vs 15 years).

Taxonomic Classification

Rank	grand dauphin, souffleur, dauphin à gros nez	koala
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Cetacea (Whales & Dolphins)	Diprotodontia (Marsupials)
Family	Delphinidae (Oceanic Dolphins)	Phascolarctidae (Koalas)
Genus	Tursiops (Bottlenose Dolphins)	Phascolarctos (Koalas)
Species	Tursiops truncatus	Phascolarctos cinereus

Evolutionary Relationship

grand dauphin, souffleur, dauphin à gros nez and koala share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

grand dauphin, souffleur, dauphin à gros nez

LC — Least Concern

Population: ~600.0K

Trend: Stable →

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	grand dauphin, souffleur, dauphin à gros nez	koala
Diet	Carnivore	Herbivore
Average Lifespan	45 years	15 years
Average Length	3.0 m	75 cm
Average Weight	300.0 kg	10.0 kg

Habitat & Geographic Range

grand dauphin, souffleur, dauphin à gros nez

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).

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

grand dauphin, souffleur, dauphin à gros nez

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.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.