If You complete the indicated task You'll unlock the corresponding accomplishment.
Master Flocker - Get a perfect abduction on all levels, singleplayer and multiplayer
The Continuous Cartographer - Play through one user-created singleplayer level and one user-created multiplayer level
Unidentified Flocking Object - Abduct 20 animals (aggregate total)
Bowled Over - Kill 10 chickens with one throw of a boulder - strike!
Defender of the Flock - Complete a level featuring the nighttime predator without letting it eat any animals
Good Shepherd - Flock 25 animals at once
King of the Skies - Fly and land 75 chickens (aggregate total)
Love Bunny - Use 3 love patches in 3 minutes
Lumberjack the Ripper - Rip up 50 trees (aggregate total)
Don't Fence Me In - Knock ver 50 fences with a cow (aggregate total)
Make Your Mark - Complete 10 crop circles (aggregate total)
Fertiliser - Use cows to make 50 piles of poo (aggregate total)
First Flock! - Complete first level