Which Gull ?

Which Gull ?

Observation - Which Gull ?. Description: I took this lovely snowy shot at my local park …but what type of gull is it that normally congregates in parks because I can't find it in my bird book with these marking. All have red beak and legs with black dot near the eyes. Thanks.

I took this lovely snowy shot at my local park …but what type of gull is it that normally congregates in parks because I can't find it in my bird book with these marking. All have red beak and legs with black dot near the eyes. Thanks.