I made a spreadsheet to help with Roost Ultimate
It shows every breeding pair and recipe, as well as notes the ones that are inaccessible, have no recipe, and do not have a natural spawn in any biome.
I hope this helps some people.
https://docs.google.com/spreadsheets/d/1DTMHnD1OgzX1rIyIyPK6iRWwvFujumvLwwoVHY3ixj4/edit?usp=sharing
by HGPMercer