Blue Dolphin vs Small Adder's-Tongue

Stenella coeruleoalba compared with Ophioglossum azoricum

Key Differences

• Blue Dolphin is Least Concern while Small Adder's-Tongue is Critically Endangered.

Taxonomic Classification

Rank	Blue Dolphin	Small Adder's-Tongue
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Cetacea (Whales & Dolphins)	Ophioglossales (Ophioglossales)
Family	Delphinidae (Oceanic Dolphins)	Ophioglossaceae
Genus	Stenella	Ophioglossum
Species	Stenella coeruleoalba	Ophioglossum azoricum

Conservation Status

Blue Dolphin

LC — Least Concern

Small Adder's-Tongue

CR — Critically Endangered

Physical Characteristics

Attribute	Blue Dolphin	Small Adder's-Tongue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

Small Adder's-Tongue

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Iceland, Norway, Portugal, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blue Dolphin

Blue Dolphin (Stenella coeruleoalba) 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 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden