I picked up four horn worms from my local Big Al's yesterday, when I got them home I noticed they looked a little different. Upon inspection, I noted that 3 of them had a slightly yellowish tinge to them, they were paler in colour than usual. Since these worms were much larger than the ones I usually get(not by choice), I assumed they may be a slightly different colour due to age. I also noticed they have dark brownish/black spots on them, I thought this may be dirt. I fed him one last night and he seemed fine for a while but, threw it up a couple hours later. It was pretty much whole, only one tiny chunk missing so, I guess he didn't chew. He has never thrown up before, to my knowledge. I checked out the other ones today, one was dead (which has never happened before). I rinsed them off but, the dark patches are still there even after rubbing them. As I was observing them, one I think actually bit the other and the attackee fled. I've never seen them be aggressive toward one another. I'm wondering if there is something wrong with them? I'm unsure if I should feed them to Salvador. If you have read my previous post, you know about the problems I am having with him so, it is possible his vomiting had nothing to do with the worm's health, or perhaps it was too large? I read they aren't supposed to be bigger than the width between the eyes, I assume this is referring to width since superworms are longer than that and are a common beardie food. The worm was not wider than the width between his eyes, though much larger than the ones he usually eats. I wouldn't have given it to him being unsure of size, except he is not eating anything else (refused supers, crickets, salads and wax worms so, he hadn't eaten in a couple days until I could get them. They're the only worm he's currently interested in at all.