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