Flat grain beetle vs Red-billed Duck

Cryptolestes pusillus compared with Anas erythrorhyncha

Key Differences

• Flat grain beetle is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Flat grain beetle	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Coleoptera (Beetles)	Anseriformes (Anseriformes)
Family	Laemophloeidae	Anatidae
Genus	Cryptolestes	Anas
Species	Cryptolestes pusillus	Anas erythrorhyncha

Evolutionary Relationship

Flat grain beetle and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Flat grain beetle

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Flat grain beetle	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flat grain beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Japan), Europe (19 countries), North America (Canada, United States), and South America (Venezuela).

Red-billed Duck

Habitat

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

Range

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

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 6 countries:

🇧🇪 Belgium 🇫🇷 France 🇩🇪 Germany 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom