Brathay fern vs Delfin Kabir

Dryopteris brathaica compared with Tursiops truncatus

Key Differences

Brathay fern is Extinct while Delfin Kabir is Least Concern.

Taxonomic Classification

Rank	Brathay fern	Delfin Kabir
Kingdom	Plantae (نباتات)	Animalia (حيوانات)
Phylum	Tracheophyta	Chordata (حبليات)
Class	Polypodiopsida (سراخس رقيقة المباغ)	Mammalia (ثدييات)
Order	Polypodiales (سرخسيات)	Cetacea (Whales & Dolphins)
Family	Dryopteridaceae	Delphinidae (Oceanic Dolphins)
Genus	Dryopteris	Tursiops (Bottlenose Dolphins)
Species	Dryopteris brathaica	Tursiops truncatus

Conservation Status

Brathay fern

EX — Extinct

Delfin Kabir

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Brathay fern	Delfin Kabir
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Brathay fern

Habitat

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

Range

Found in Canada.

Delfin Kabir

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).

Brathay fern

The Brathay fern (Dryopteris brathaica) is a species in the genus Dryopteris. It is currently classified as Extinct on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies.

Delfin Kabir

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.