Yes

Based on the weather in Camperdown Wildlife Centre, Camperdown Country Park, Coupar Angus Rd, Dundee DD2 4TF, UK as of December 13, 2018 4:41am local time

Why? Because it's cold. simple as that.
Current Conditions
Mostly Cloudy
Temp: 37.4°F3°C
Wind: 10 MPH16.1 KPH
Precipitation: None