Young trees for wildlife gardening (Sele Farm SG14)

Young trees, great for wildlife gardens.
Hazel - approx 15" high.
Bird cherry - approx 18" high - has small white blossoms and black berries that birds love.
Grey willow - approx 2 foot high - has pussy willow buds in Spring.

Collection from driveway, so can be collected any time but please no time wasters. Thank you.