'anunu vs Chuck-will's-widow

Sicyos lanceoloideus compared with Antrostomus carolinensis

Key Differences

• 'anunu is Critically Endangered while Chuck-will's-widow is Least Concern.

Taxonomic Classification

Rank	'anunu	Chuck-will's-widow
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Cucurbitales (Cucurbitales)	Caprimulgiformes (Caprimulgiformes)
Family	Cucurbitaceae	Caprimulgidae
Genus	Sicyos	Antrostomus
Species	Sicyos lanceoloideus	Antrostomus carolinensis

Conservation Status

'anunu

CR — Critically Endangered

Chuck-will's-widow

LC — Least Concern

Physical Characteristics

Attribute	'anunu	Chuck-will's-widow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

'anunu

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Chuck-will's-widow

Habitat

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

Range

Distributed across Colombia, Norway, and Venezuela.

'anunu

The 'anunu (Sicyos lanceoloideus) is a species in the genus Sicyos. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Chuck-will's-widow

The Chuck-will's-widow (Antrostomus carolinensis) is the largest nightjar in North America, named for its distinctive far-carrying call — a resonant four-syllable whistle repeated persistently on warm nights. It breeds across the southeastern United States, from the Atlantic coastal plain through the Gulf states and up the Mississippi Valley to southern Indiana and Kansas. The species migrates southward in autumn to winter quarters in the Caribbean, Central America, and northern South America. Like all nightjars, it is a crepuscular and nocturnal insectivore, capturing large moths, beetles, and other flying insects in flight using its enormous, bristle-fringed gape. By day, the Chuck-will's-widow roosts on the ground or along horizontal branches, relying on cryptic mottled plumage for concealment. It nests directly on the leaf litter of open woodland and scrub, typically in pine-oak forests, dry forests, and woodland edges. The IUCN classifies this species as Least Concern, though Breeding Bird Survey data suggest moderate long-term population declines linked to forest fragmentation and light pollution that disrupts insect prey availability. Conservation of large-scale woodland tracts in the southeastern United States benefits this species and its associated nightjar community.