Common Animals:
* Uhu (Eagle Owl): This majestic owl is found in Germany and is a symbol of wisdom.
Less Common Animals:
* Ur (Aurochs): While technically extinct, the Aurochs was a wild ancestor of modern cattle that lived in Europe, including Germany.
* Urzeittier (Prehistoric Animal): This term is a general term for any animal that lived in prehistoric times, and could include various species from Germany's past.
It's important to note: The German language has a lot of compound words, so there might be other less common animals that start with "U" when combined with other words.