The RSPB wants to know what croaks, flaps, cheeps and snuffles about in South Yorkshire gardens in its summer wildlife survey.
Make Your Nature Count, running from Saturday until June 12, asks people to count the wildlife in their gardens over the summer.
Not only is the RSPB asking people to record birds, it also wants to know about some of the other wildlife visiting South Yorkshire gardens, like badgers, toads, bats and snakes.
To take part, spend one hour during the week of June 4 to 12, counting the birds and other wildlife in your garden, and record the highest number of each species seen at any one time.
Log onto www.rspb.org.uk/naturecount for more information and an online survey to fill in.