Mark Constantine OBE has been a keen birder since the 1970s. Mark is the Co-Founder and CEO of cosmetics retailer LUSH and founder of the Sound Approach.
‘genuinely groundbreaking’ Birdwatching ‘revolutionising the use of sound in identifying birds’ New Scientist The original edition was the winner of Bird Book of the Year by the Sunday Express, Birdwatch Magazine, and the British Trust for Ornithology