Common Name: Mongolian Gerbil
Scientific Name: Meriones unguiculatus
Family: Muridae (same family as mice and rats)
Origin/Range: Native to the semi-arid steppes, deserts, and grasslands of Mongolia, northern China, and parts of Russia
Habitat: Sandy plains, scrubland, and dry grasslands where they dig complex burrows
Size: 11–13 cm (4–5 in) body length; tail about the same length (9–12 cm / 3.5–5 in)
Weight: 60–130 g (2–4.5 oz)
Appearance:
Compact body with strong hind legs and long tail (tufted at the end for balance)
Large black eyes, rounded ears, and long whiskers
Wild type coat: sandy brown with lighter belly (camouflage for desert life)
Domesticated varieties: black, white, gray, golden, spotted, and mottled
Lifespan: 2–4 years (in captivity; shorter in the wild)
Activity: Crepuscular (most active at dawn and dusk), though they can be active at different times throughout the day
Social Structure: Highly social, live in family groups in the wild—best kept in pairs or small groups in captivity
Personality: Curious, intelligent, playful, and less prone to biting than hamsters
Burrowing: Dig extensive tunnels with multiple entrances, chambers, and escape routes
Communication: Through thumping hind legs, squeaks, and scent marking
Type: Omnivorous, though mainly seed-eating rodents
Wild Diet: Seeds, grains, grasses, roots, and insects
Captive Diet: High-quality gerbil mix (grains, seeds, pellets), hay, and small amounts of fresh vegetables (e.g., carrot, broccoli, cucumber)
Avoid: Too many sunflower seeds or fatty foods—can cause obesity and health issues
Maturity: Reach sexual maturity at ~9–12 weeks old
Gestation Period: 24–26 days
Litter Size: 3–8 pups (average 5)
Development:
Pups born hairless and blind
Fur develops after ~10 days
Eyes open at ~16–20 days
Weaned at ~4–5 weeks
Breeding in Captivity: Can breed year-round, but responsible care requires limiting litters
Predators in the Wild: Birds of prey, snakes, foxes, weasels, and wild cats
Conservation Status: Least Concern (stable population in the wild)
Natural Threats: Harsh climate, habitat loss from agricultur
