American Tree-Creeper vs Laysan Duck

Certhia americana compared with Anas laysanensis

Key Differences

• American Tree-Creeper is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	American Tree-Creeper	Laysan Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Anseriformes (Anseriformes)
Family	Certhiidae	Anatidae
Genus	Certhia	Anas
Species	Certhia americana	Anas laysanensis

Evolutionary Relationship

American Tree-Creeper and Laysan Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

American Tree-Creeper

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	American Tree-Creeper	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Tree-Creeper

Habitat

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

Range

Distributed across Norway and United States.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

American Tree-Creeper

The American Tree-Creeper (Certhia americana) is a species in the genus Certhia. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway