house mouse vs Scarlet Macaw

Mus musculus compared with Ara macao

Key Differences

• house mouse is omnivore while Scarlet Macaw is herbivore.
• Scarlet Macaw is 50.0x heavier than house mouse.
• Scarlet Macaw lives longer (50 years vs 2 years).

Taxonomic Classification

Rank	house mouse	Scarlet Macaw
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Psittaciformes (Parrots)
Family	Muridae (Mice & Rats)	Psittacidae (True Parrots)
Genus	Mus (House Mice)	Ara (Macaws)
Species	Mus musculus	Ara macao

Evolutionary Relationship

house mouse and Scarlet Macaw share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

house mouse

LC — Least Concern

Trend: Stable →

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	house mouse	Scarlet Macaw
Diet	Omnivore	Herbivore
Average Lifespan	2 years	50 years
Average Length	9 cm	85 cm
Average Weight	20 g	1.0 kg

Habitat & Geographic Range

house mouse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (9 countries), Asia (13 countries), Europe (41 countries), North America (14 countries), Oceania and the Pacific (12 countries), and South America (10 countries).

Scarlet Macaw

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, Venezuela). Population trends indicate a declining trajectory in parts of its range.

house mouse

Among the most widespread and numerous mammals on Earth, house mice originated in South Asia and have accompanied human civilization across every continent except Antarctica. Weighing just 15–25 g, they are highly adaptable omnivores capable of surviving on minimal food and water. As the world's most commonly used laboratory animal, the house mouse has contributed to virtually every branch of biomedical research. They cause significant agricultural damage globally.

Scarlet Macaw

One of the most brilliantly colored birds in the Americas, scarlet macaws display vivid red, yellow, and blue plumage with wingspans reaching 1 meter. Found in humid lowland forests from Mexico to Bolivia, they are highly intelligent, long-lived — up to 75 years — and form lifelong pair bonds. They travel long distances to clay licks where they consume mineral-rich soil to detoxify seeds. Listed as Least Concern but locally threatened by habitat loss and the pet trade.

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇪🇨 Ecuador 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom 🇻🇪 Venezuela