Update:
The first day I posted, we were able to get a fair amount of activated charcoal flush down him via a syringe. We also tried giving oatmeal with some brewers yeast in it. He was able to swallow a lot of the charcoal fluid once we could get it into his mouth.
Yesterday he seemed a bit...
My goose, about 4 months old, is clearly sick. He is very lethargic, and the main noticeable problem is that he is not extending his neck. He is keeping it close to him (folded up for lack of a better term), as if he was resting/sleeping. He is drinking a little bit, and as he does so, he still...