truetrue This image is a derivative work of the following image: File:Ibis_at_ngorongoro.jpg licensed with Cc-by-sa-3.0,2.5,2.0,1.0, GFDL 2008-12-01T15:29:37Z...
crater Deutsch: Ibis im Ngorongoro Krater Source Own work Author WernerRehm Other versions Derivative works of this file: Glossy Ibis at Ngorongoro.jpg...