Least Bittern vs Red-billed Duck

Ixobrychus exilis compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Least Bittern	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Pelecaniformes (Pelecaniformes)	Anseriformes (Anseriformes)
Family	Ardeidae	Anatidae
Genus	Ixobrychus	Anas
Species	Ixobrychus exilis	Anas erythrorhyncha

Evolutionary Relationship

Least Bittern and Red-billed Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Least Bittern

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Least Bittern	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Least Bittern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Red-billed Duck

Habitat

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

Range

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

Least Bittern

Least Bittern (Ixobrychus exilis) 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.

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 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway