Evolutionists, show one example of transgenesis?

Just one single proof that one animal became another. The only evidence I have seen presented well demonstrates adaptive evolution, but there has been no proof of one animal becoming another.

BTW, I am an environmental scientist.
Update: Seriously,
You gave some good examples of adaptive evolution, but no new animals formed from other animals.
Update 2: So Polar Bear, what was the peppered moth before it became a moth?
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