Oh noooo, the feathery assholes thwart Dave Strider again!

[That is the least sympathetic sounding "oh no" ever, Jade you little shit.]

Don't worry, Dave, a Flying type evolution doesn't exist yet. And when you think about it, it'd be kind of fucked up for Eevee to get something like a Ghost evolution, wouldn't it? So what happens, they die and become a Ghost type?