From the north · Wildlife
Tarbagan marmot
The staple small game of the Mongolian steppe — the marmot whose burrows shelter Pallas's cats and whose whistle warns everything else there is a raptor overhead.
Marmota sibirica
- Weight
- 9–18 lb (4–8 kg)
- Length
- 20–28 in including tail
- Lifespan
- 8–12 yr wild
- Habitat
- Open steppe and alpine grassland, 500–3,500 m
- Diet
- Grass, forbs, roots, occasional insects
- Group size
- Family colonies of 5–15 sharing a burrow system
- Pups
- 3–7 per yr, born May–June underground
- Range
- Mongolia, Trans-Baikal Russia, N. China
The keystone of the steppe
Tarbagan marmots dig extensive burrow systems that oxygenate the steppe, mix soil, and create the sheltered microhabitats that Pallas's cats, corsac foxes, ground squirrels, and burrowing owls all depend on. They are also a primary prey item for snow leopard, wolf, and every large raptor in Mongolia. Where marmots are healthy, the whole steppe food web is healthy; where they've been poisoned or overhunted, everything above them thins out.
Behavior and alarm calls
Marmots are diurnal, colonial, and highly social. A sentinel posts at the burrow mound and gives a piercing single-note whistle at the first sign of a threat — golden eagle, wolf, or human — that drops the whole colony underground within a second. If a distant marmot whistles as you cross a ridge, expect every marmot in view to disappear and stay down for 10–20 minutes.
As a food source
Historically the tarbagan is one of the most important game animals of Mongolian nomadic culture — the classic 'boodog' preparation cooks the whole marmot with hot stones inside the skin. Meat is dense, fatty in late summer (up to 30% body fat before hibernation), and highly nutritious. As with any marmot, health precautions matter (see next section).
Plague — do not handle carelessly
Tarbagan marmots are the primary natural reservoir of Yersinia pestis (plague) in Mongolia and Trans-Baikal Russia. Handling a sick or recently dead marmot without gloves, or eating a marmot that died of illness, has caused documented human plague outbreaks — including a small number of fatal cases in recent decades. Wear gloves, only harvest visibly healthy active animals in season, cook thoroughly, and avoid any marmot that looks sluggish, has visible parasites, or is found dead.
Winter
Colonies enter deep hibernation from September–October through April, sealing themselves into their burrow with a plug of soil. During hibernation body temperature drops to just above freezing and heart rate falls to a few beats per minute. Never dig into a hibernation burrow — you are killing an entire family for one animal's worth of meat.
Field notes
- A piercing single-note whistle on the steppe is a marmot alarm — every marmot in view will vanish for 10–20 minutes.
- PLAGUE: never handle a sick, sluggish, or already-dead marmot without gloves. Cook thoroughly. This is a real, documented risk in Mongolia.
- Sealed burrow entrances in October–April mark hibernation colonies — do not dig; you kill a whole family for one meal.