Soooooo I decided to give Larkspur summer and winter coats.

It's not really based on a set time, rather degree days, so if it's cold enough for long enough she'll start growing her winter feathers.

Long flight, ear, and crest feathers do not regrow when going from summer to winter coats, they just fade. (I may do a diagram of her wings in summer and winter versions, but just use this for now) She gets fluffier and grows long feathers over exposed parts of her legs and beak, the skin of which fades to a greyish green.

I also tweaked her markings in this version, simplifying her tail markings somewhat.