California alder vs Gadwall

Alnus rhombifolia compared with Mareca strepera

Taxonomic Classification

Rank	California alder	Gadwall
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Fagales (Beeches & Oaks)	Anseriformes (Anseriformes)
Family	Betulaceae	Anatidae
Genus	Alnus	Mareca
Species	Alnus rhombifolia	Mareca strepera

Conservation Status

California alder

LC — Least Concern

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	California alder	Gadwall
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

California alder

Habitat

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

Range

Found in Canada.

Gadwall

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

California alder

The California alder (Alnus rhombifolia) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Gadwall

Gadwall (Mareca strepera) 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.