Adder'S Fern vs Crested Myna

Polypodium vulgare compared with Acridotheres cristatellus

Taxonomic Classification

Rank	Adder'S Fern	Crested Myna
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Polypodiales (Polypodiales)	Passeriformes (Songbirds)
Family	Polypodiaceae	Sturnidae
Genus	Polypodium	Acridotheres
Species	Polypodium vulgare	Acridotheres cristatellus

Conservation Status

Adder'S Fern

LC — Least Concern

Crested Myna

LC — Least Concern

Physical Characteristics

Attribute	Adder'S Fern	Crested Myna
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder'S Fern

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

Crested Myna

Habitat

Inhabits tropical and subtropical dry broadleaf forests and tropical and subtropical grasslands and savannas within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan, Singapore, United Arab Emirates), Europe (7 countries), and South America (Argentina, Bolivia).

Adder'S Fern

The Adder'S Fern (Polypodium vulgare) is a species in the genus Polypodium. It is currently classified as Least Concern on the IUCN Red List. This species inhabits Typically found in moist, shaded forest floors and tropical canopies, found across Belgium, Denmark, Finland, Iceland, and Norway.

Crested Myna

Crested Myna (Acridotheres cristatellus) 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.