common bottlenose dolphin vs Komodo Dragon

Tursiops truncatus compared with Varanus komodoensis

Key Differences

common bottlenose dolphin is Least Concern while Komodo Dragon is Endangered.
common bottlenose dolphin is 4.3x heavier than Komodo Dragon.
common bottlenose dolphin lives longer (45 years vs 30 years).

Taxonomic Classification

Rank	common bottlenose dolphin	Komodo Dragon
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Reptilia (สัตว์เลื้อยคลาน)
Order	Cetacea (Whales & Dolphins)	Squamata (อันดับกิ้งก่าและงู)
Family	Delphinidae (Oceanic Dolphins)	Varanidae (Monitor Lizards)
Genus	Tursiops (Bottlenose Dolphins)	Varanus (Monitor Lizards)
Species	Tursiops truncatus	Varanus komodoensis

Evolutionary Relationship

common bottlenose dolphin and Komodo Dragon share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

ดู: Phylum: Chordata

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	common bottlenose dolphin	Komodo Dragon
Diet	Carnivore	Carnivore
Average Lifespan	45 years	30 years
Average Length	3.0 m	2.6 m
Average Weight	300.0 kg	70.0 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).

Komodo Dragon

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 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

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.