Common Crossbill vs Red-billed Duck

Loxia curvirostra compared with Anas erythrorhyncha

Key Differences

• Common Crossbill is Vulnerable while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Common Crossbill	Red-billed 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	Fringillidae	Anatidae
Genus	Loxia	Anas
Species	Loxia curvirostra	Anas erythrorhyncha

Evolutionary Relationship

Common Crossbill and Red-billed Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Common Crossbill

VU — Vulnerable

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Common Crossbill	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Crossbill

Habitat

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

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Common Crossbill

Common Crossbill (Loxia curvirostra) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway