Join a challenge to track you progress and compete with other birders.
Important: Make sure you use the same email address and password you use to log into the BirdLasser app.You can only join a challenge if you have the BirdLasser app installed. Get it from the stores if you don't have it yet.
About
Circles
Chobe 150km cirlcle: -18.18201, 24.57798; 150 km