Once every several years, creatures from across the world gather together to watch a rare species of Equestrian butterfly begin its migration. For some, though, the event is more than just a spectacle.

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Cover image is The Pink Cloud (1896) by Henri-Edmond Cross. I'm no art expert, but I'm pretty sure it's in the public domain now and thus okay to use here.
Concept was conceived from the prompt that was the Arboreal Yearnings Contest I (Trees), though obviously it wasn't finished in time to submit.
Also my first story on the site--feedback would be appreciated. Hope you enjoy!