Sunday 20th May 2018: 11.00am

Bison Hill, Whipsnade TL000184

51.85122, -0.554387

Bison Hill, Whipsnade With the local Wildlife Trust to seek out Duke of Burgundy and many other butterfly species.

Meet in the National Trust Car Park,TL000184, at 11am.

Nearest postcode: LU6 2LD

Leader: Greg Herbert.