What has evolution theory produced?

That may be. But it's only the modern theory that is of importance because that's the theory supported by observation and fossil evidence.

From "Detailed information on hybridization in big cats:"

quote:

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No fertile male ligers have yet been found and it is assumed all are sterile. This is not the case with females and a 15-year-old ligeress at Munich Zoo produced a li-liger after mating with a lion.

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So you're only half-right. It's impossible to have a breeding population of ligers, therefore lions and tigers are different species under the Biological Concept of Species.

You don't know what the Biological Concept of Species is, do you? Why didn't you just say so instead of looking like an idiot? Well, we don't have one now. We've never seen one. Again, this is you making the positive claim. If you think that a population of ligers that breeds true exists, then it's up to you to prove it.Me, I'm content with the fact that the biological species concept matches the folk species concept in the case of lions and tigers. A blurring of the species lines does absolutely no good for your position, you know. The more you remove species boundaries the closer you get to a common ancestor for all life. But, dig your own hole. I'm happy to sell you the shovel...

No, but it's a half-step. What's with you? When you ask for half-steps, you complain that they're not full steps. When you get a full-step, you wonder where the half-step is.I suggest you start thinking a little clearer about what you want before you ask for evidence. That creaking sound you hear in the background is you moving the goalposts time and time again.