Because it doesn't agree with you. Nothing whatever about ruminants.
Perhaps you don't know what "ruminants" means?
Better to just note this:
Ruminant: Any of various hoofed, even-toed, usually horned mammals of the suborder Ruminantia, such as cattle, sheep, deer, antelopes, and giraffes
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You have a different definition? That would explicitly exclude tigers. No rumin. Interestingly, whales retain a primitive rumin. Evolved from artiodactyls, (even-toed ungulates) you know.
You're still letting your own ideas pull you away from what God is trying to show you in the Bible. Let go of your own wishes, and just listen to him. It's not about tigers having rumins. It's not about spiders being herbivores. It's about God and man and our relationship. That's good enough for God. It should be good enough for you.