The Birds Will Be With You Achievement
The Birds Will Be With You10
10 levels completed with one bird
This is probably the most skillful achievement in the list, and it is still not that difficult at all. You need to complete 10 different levels, only using the first bird you are given. The first levels in the game are the easiest to do this on. See THIS link for 3-star walkthroughs to finish this achievement off with as little effort as possible.