Darwin s Nesoryzomys vs Welsh onion

Nesoryzomys darwini compared with Allium fistulosum

Key Differences

• Darwin s Nesoryzomys is Extinct while Welsh onion is Critically Endangered.

Taxonomic Classification

Rank	Darwin s Nesoryzomys	Welsh onion
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Asparagales (Asparagales)
Family	Cricetidae	Amaryllidaceae
Genus	Nesoryzomys	Allium
Species	Nesoryzomys darwini	Allium fistulosum

Conservation Status

Darwin s Nesoryzomys

EX — Extinct

Welsh onion

CR — Critically Endangered

Physical Characteristics

Attribute	Darwin s Nesoryzomys	Welsh onion
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Darwin s Nesoryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Welsh onion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Algeria, Seychelles), Asia (Taiwan, Yemen), Europe (18 countries), North America (Canada, United States), Oceania and the Pacific (Tuvalu), and South America (Brazil, Colombia, Peru). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.