Large False Serotine vs Least Bittern

Hesperoptenus tomesi compared with Ixobrychus exilis

Key Differences

• Large False Serotine is Vulnerable while Least Bittern is Least Concern.

Taxonomic Classification

Rank	Large False Serotine	Least Bittern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Pelecaniformes (Pelecaniformes)
Family	Vespertilionidae	Ardeidae
Genus	Hesperoptenus	Ixobrychus
Species	Hesperoptenus tomesi	Ixobrychus exilis

Evolutionary Relationship

Large False Serotine and Least Bittern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Large False Serotine

VU — Vulnerable

Least Bittern

LC — Least Concern

Physical Characteristics

Attribute	Large False Serotine	Least Bittern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large False Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Bittern

Habitat

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

Range

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

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.