Feathers for bird levels changed?

[Den]

Was there a change to the required number of feathers for each bird level?

I was under the impression that once you hit Epic Gold, that all levels after that cost 50,000 feathers.  However, I just got my first bird up to Mythic Azure and the next level for that one is 70,000.

Has it always been this way, and if so what are the costs for the levels after that?

Topic

[Mzimoxs]

There is a little hiccup in three stages. After a while of 50k levels they are 70k, 30k, 70k and 50k forever after that.

[Doom Baby]

As far as I’m aware, it’s 70,000 to level to legendary, and it’s back to 50,000 every level after that.