African Openbill vs Cinnamon Bittern

Anastomus lamelligerus compared with Ixobrychus cinnamomeus

Taxonomic Classification

Rank African Openbill Cinnamon 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 lamelligerus Ixobrychus cinnamomeus

Evolutionary Relationship

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

Conservation Status

African Openbill

LC — Least Concern

Cinnamon Bittern

LC — Least Concern

Physical Characteristics

Attribute African Openbill Cinnamon Bittern
Diet
Average Lifespan
Average Length
Average Weight

Habitat & Geographic Range

African Openbill

Habitat

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

Range

Distributed across Belgium, Germany, and Norway.

Cinnamon Bittern

Habitat

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

Range

Distributed across Norway and Taiwan.

African Openbill

The African Openbill (Anastomus lamelligerus) 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.

Cinnamon Bittern

The cinnamon bittern (Ixobrychus cinnamomeus) is a small heron in the family Ardeidae, widely distributed across South and Southeast Asia, from Pakistan and India east through Southeast Asia to China, Japan, and the Philippines, south through Indonesia and Papua New Guinea. It inhabits wetlands including rice paddies, reedbeds, marshy grasslands, and the margins of ponds and rivers, where it stalks prey in dense emergent vegetation. The plumage is entirely cinnamon-brown in males, while females are more streaked. Like other small bitterns, it has a cryptic freezing posture—stretching its neck vertically to blend with reeds—when alarmed. The cinnamon bittern is classified as Least Concern by the IUCN, with a widespread and abundant Asian distribution. It is entirely absent from Europe; database records citing Norway are data artifacts. This species is highly tolerant of rice cultivation and degraded wetlands, making it one of the more adaptable Asian herons. However, wetland loss from drainage and intensification of rice agriculture across South and Southeast Asia poses long-term threats to wetland species broadly. The cinnamon bittern is a shy and secretive bird that is more often heard—giving a deep, booming call—than seen in its dense wetland habitat.

Shared Countries

Both species can be found in 1 countries:

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