Some fresh news:
Berlin Tierpark has some Nankeen Night Herons again. Zootierliste does not list them yet (the only listing on there is Singapore River Safari), but they have been spotted and even photographed by a frequent visitor and Tierpark insider:
http://www.schueling.com/forum/fotos/gross/139432.jpg
Also, the collared brown lemurs have some offspring:
Last but not least, zoo director Knieriem stated that Savannah and Asia Exhibit are to open "soon" and confirmed they are currently planning for lions, rhinos and additional African ungulates.