Alder vs Common Crossbill

Alnus glutinosa compared with Loxia curvirostra

Key Differences

• Alder is Least Concern while Common Crossbill is Vulnerable.

Taxonomic Classification

Rank	Alder	Common Crossbill
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Fagales (Beeches & Oaks)	Passeriformes (Songbirds)
Family	Betulaceae	Fringillidae
Genus	Alnus	Loxia
Species	Alnus glutinosa	Loxia curvirostra

Conservation Status

Alder

LC — Least Concern

Common Crossbill

VU — Vulnerable

Physical Characteristics

Attribute	Alder	Common Crossbill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (India, Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile).

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.

Alder

The Alder (Alnus glutinosa) 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.

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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States