Big Garden Birdwatch is the world's largest garden wildlife survey. We've got everything you need to know about joining in! For nearly 40 years, we've been asking you to count the birds in your garden – and you've been brilliant at it. With over half a million people now regularly taking part, coupled with almost 40 years worth of data, Big Garden Birdwatch allows us to monitor trends and helps us understand how birds are doing. As the format of the survey has stayed th... See more >