Spike confused by Fluttershy's behavior EG

Just thought I'd make a fun game for everypony to play. Test your knowledge on characters, episodes, songs and more!

Here's how to play (I'll start):You state a small riddle about the character/episode/song or anything related to MLP:FiM and the next person has to work it out, then post their riddle next.

Here's mine:

They're small and cute, but be warned, they're dangerous. They come in many colours and like eating. They can also fly. What are they?