Asian Openbill vs Little Bittern

Anastomus oscitans compared with Ixobrychus minutus

Key Differences

• Asian Openbill is Least Concern while Little Bittern is Endangered.

Taxonomic Classification

Rank	Asian Openbill	Little Bittern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Ciconiiformes (Ciconiiformes)	Pelecaniformes (Pelecaniformes)
Family	Ciconiidae	Ardeidae
Genus	Anastomus	Ixobrychus
Species	Anastomus oscitans	Ixobrychus minutus

Evolutionary Relationship

Asian Openbill and Little Bittern share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Asian Openbill

LC — Least Concern

Little Bittern

EN — Endangered

Physical Characteristics

Attribute	Asian Openbill	Little Bittern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian Openbill

Habitat

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

Range

Found in Norway.

Little Bittern

Habitat

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

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Asian Openbill

The Asian Openbill (Anastomus oscitans) is a species in the genus Anastomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway.

Little Bittern

Little Bittern (Ixobrychus minutus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway