I would be a little afraid that raw fish guts would make the eggs taste funny. But I do not know that.
Tarantulas, AGH. Fortunately we do not have them here, where are you? I have not heard of that place! Sorry to be dumb, geography was a bad subject for me. And that was a long time ago.
I did see one eat a tiny snake, though. It took her several swallows.
Heck, my little Italian Greyhounds will eat almost anything.
One of my chickens' favorite scraps to eat, and this isn't yucky at all, is crushed fruit. My daughter has a juicer and she gives my chickens the leftovers from that. Wow. They love that.
I suppose they eat little spiders, but fortunately for me I do not see them do it.
People who think that nature is all sweetness and light live in an apartment and have just finished reading Bambi.
Catherine