Common Oak vs Red-billed Duck

Quercus robur compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Common Oak	Red-billed Duck
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (สัตว์มีแกนสันหลัง)
Class	Magnoliopsida (พืชใบเลี้ยงคู่)	Aves (นก)
Order	Fagales (อันดับก่อ)	Anseriformes (อันดับห่าน)
Family	Fagaceae (Beech Family)	Anatidae
Genus	Quercus (Oaks)	Anas
Species	Quercus robur	Anas erythrorhyncha

Conservation Status

Common Oak

LC — Least Concern

Trend: Stable →

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Common Oak	Red-billed Duck
Diet	Autotroph	—
Average Lifespan	1000 years	—
Average Length	25.0 m	—
Average Weight	—	—

Habitat & Geographic Range

Common Oak

Habitat

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

Range

Widely distributed across Africa (Lesotho, South Africa), Asia (Armenia, India), Europe (8 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

Red-billed Duck

Habitat

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

Range

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

Common Oak

One of Europe's most important and widespread deciduous trees, the pedunculate oak can live over 1,000 years, reach 40 meters, and support the greatest biodiversity of any European tree species — over 2,300 species of insects, fungi, lichens, mosses, and birds directly depend on mature oaks. Found across Europe to western Asia in temperate forests, its hard, durable wood has been foundational to shipbuilding, architecture, and barrel making throughout history.

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