Least Bittern vs New Zealand Bittern

Ixobrychus exilis compared with Ixobrychus novaezelandiae

Key Differences

• Least Bittern is Least Concern while New Zealand Bittern is Extinct.

Taxonomic Classification

Rank	Least Bittern	New Zealand Bittern
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Pelecaniformes (อันดับนกกระทุง)	Pelecaniformes (อันดับนกกระทุง)
Family same	Ardeidae	Ardeidae
Genus same	Ixobrychus	Ixobrychus
Species	Ixobrychus exilis	Ixobrychus novaezelandiae

Evolutionary Relationship

Least Bittern and New Zealand Bittern share a common ancestor at the Genus level: Ixobrychus.

Conservation Status

Least Bittern

LC — Least Concern

New Zealand Bittern

EX — Extinct

Physical Characteristics

Attribute	Least Bittern	New Zealand Bittern
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.

New Zealand Bittern

Habitat

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

Range

Found in Norway.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway