What are all the animals in mgs3

Whel i dont now where are all the things you can eat but when you beat The Fear the way to fight The End then of a warehouse in the start of the forest up in a little fall are 2 trees in the closer tree to the other part of the forest its a mushruom call SPASTA eat it and Snake will fall to sleep. ¡Warning! dont eat it whit enemies attacking you or they will take you to the Graniny Gorky lab prision.