91热爆

The great northern diver, also called the common loon in North America, has held a fascination for many people over the years. This large black and white bird may not breed that regularly in the British Isles, but is a regular winter visitor. Impressive though this bird is on the water, it is the haunting almost unearthly call which captivates anyone who hears it. In this edition we will hear from wildlife presenter Chris Packham, wildlife artist Jane Smith and the 91热爆's security correspondent Frank Gardener.

Producer Andrew Dawes