Ultimate Nature

For a long time I have wanted something more for Minecraft nature. There is a lot of stuff from real life that would be great in Minecraft. Things like deer,moose, more bears different plants and new biomes. One of my favorite biomes is the mountain island biome, but you have to use a specific seed to get it, and I think that it would be great if there was a seed picker for a mountain island. That being said I think that there are already some add-ons that could be combined to make what I am talking about. Such as adventure plus and some dragon add-ons. There are also some subjects that are being talked about on the website already if you would like to change my idea feel free to.