@alexkant. No, the transfer has not failed yet, the zoo is still working on the import.
Otherwise, it makes not a sense to keep masai giraffes. Basle is the only holder of them in europe, and masai giraffes are not endarged. So it would be better, to keep a male group of rothschild or reteciulated giraffes. Another option is to use the old antelope house only for okapis.