Javan Rusa vs Red-billed Duck

Rusa timorensis compared with Anas erythrorhyncha

Key Differences

• Javan Rusa is Vulnerable while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Javan Rusa	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Artiodactyla (Even-toed Ungulates)	Anseriformes (Anseriformes)
Family	Cervidae (Deer)	Anatidae
Genus	Rusa	Anas
Species	Rusa timorensis	Anas erythrorhyncha

Evolutionary Relationship

Javan Rusa and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Javan Rusa

VU — Vulnerable

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Javan Rusa	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Javan Rusa

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Afrotropic and Oceanian realms.

Range

Distributed across Mauritius, New Zealand, and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-billed Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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 1 countries:

🇳🇴 Norway