Sooky, an infant koala, clings to her mother, Orana, at the San Diego Zoo in 2008. Sooky, now 2, has arrived at Phoenix Zoo with her 4-year-old brother, Kobi. The fuzzy marsupials will reside until March 2011 in the Valley, on loan from the San Diego Zoo in a program to raise awareness about the destruction of wild koala habitat in Australia. Sooky and Kobi’s exhibit will open to the public for the first time on Sunday. >> Koalas debut at 9 a.m. Sunday at The Phoenix Zoo, 455 N. Galvin Parkway. Their exhibit is included in general admission of $9-$18 per person. (602) 273-1341 or phoenixzoo.org.