Today at around 3pm one of my geese went away alone to his pen, and he is struggling to stand up, he looks drunk, falling asleep while standing, then collapsing. He has a bit of fluid around his mouth, its not alot, and it looks quite thick maybe it's dried. No idea what could be the problem, the other 3 are fine. Im wondering if he ate a dodgy mushroom, and if so where did he find it cause i want one too. Is there anything i can do to help him?