common bottlenose dolphin vs Madeira Filmy Fern

Tursiops truncatus compared with Hymenophyllum maderense

Key Differences

common bottlenose dolphin is Least Concern while Madeira Filmy Fern is Critically Endangered.

Taxonomic Classification

Rank	common bottlenose dolphin	Madeira Filmy Fern
Kingdom	Animalia (động vật)	Plantae (thực vật)
Phylum	Chordata (động vật có dây sống)	Tracheophyta
Class	Mammalia (lớp Thú)	Polypodiopsida (Lớp Dương xỉ)
Order	Cetacea (Whales & Dolphins)	Hymenophyllales (Hymenophyllales)
Family	Delphinidae (Oceanic Dolphins)	Hymenophyllaceae
Genus	Tursiops (Bottlenose Dolphins)	Hymenophyllum
Species	Tursiops truncatus	Hymenophyllum maderense

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Madeira Filmy Fern

CR — Critically Endangered

Physical Characteristics

Attribute	common bottlenose dolphin	Madeira Filmy Fern
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).

Madeira Filmy Fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Found in Portugal. Currently classified as Critically 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.