The howl of a wolf in the wilderness may make your spine tingle — it has a similar effect on wolf conservationists, who have struggled for years to accurately analyze the sounds that wolves make.

Jimmy's Farm & Wildlife Park is home to a pack of 12 Arctic wolves An Ipswich woman was left in "awe" after a pack of howling wolves woke her in the dead of night. Jill Calver, 54, lives in the ...