Hi Lee,
I am new to birding so no glue what Ammersee hotspot is good. All I can tell you is there are more lakes that are worth a trip. Chiemsee is where I live (70 km from Munich), Walchensee ... One of the best birding lakes orround here should be Neusiedler See National Park in Austria. Almost every TV Show I came across showed birds and birders there. It is in Austria though ... And have a look at the Mountains, Munich is next to the Alps, always worth a trip !
Thanks for all the info Max :t:
Prosit
Lee