Species · GBIF taxon 2440954
Sika Deer
Cervus nipponAlso known as Northern Spotted Deer, Japanese Deer, Sika
Sika deer are highly vocal, compact cervids famous for the piercing, whistle-like screams males emit during the autumn rut. They retain their spotted summer coats into adulthood, and when alarmed, they flare a distinctive heart-shaped white rump patch to warn the herd. Highly adaptable, they thrive in dense woodlands and have established successful introduced populations worldwide.
VocalForest-dwellingAdaptable
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & prey
- Grasses, sedges, heather, leaves, twigs, and tree bark
Predators
- Gray wolves
- Amur leopards
- Humans
ThreatsHabitat fragmentation, hybridization with red deer, and localized overhunting
HabitatsDense forests, woodlands, marshes, and shrublands
Life span15 to 20 years
Size / weightNot available
Classification
- FamilyCervidae
- SpeciesCervus nippon
Native Introduced
Native range in olive; established introduced range in rust.
Interaction riskHigh
- Low
- Moderate
- High
- Very high
- Why interaction risk is high
- Stags can be aggressive during the autumn rut; maintain a safe distance of at least fifty meters.
- Why it is dangerous
- Rutting stags possess sharp antlers and can charge unpredictably if they feel threatened or cornered.
- How to recognize a risky encounter
- Look for a compact deer with a dark brown winter coat or spotted summer coat and a white rump patch.
- What to do
- Never approach a stag during the autumn rut, and back away slowly if one stares or lowers its head.
Responsible observation
- Listen for vocalizations: Listen for the high-pitched whistles and screams of rutting stags during autumn.
- Watch the rump: Look for the flared white rump patch, which indicates the deer is alert or alarmed.
- Keep your distance: Avoid approaching closely, especially during the autumn mating season when stags are territorial.
Frequent Companion Johann-Nikolaus Andreae / CC BY-SA 2.0 · cc-by-sa
Close Relative Lviatour / CC BY-SA 3.0 · cc-by-sa
Close Relative Membeth / CC0 · cc0
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