sentences:  The two organizations released 180 individuals in 2012, and about 100 individuals in 2013.The aquarium's endangered African penguins are part of an Association of Zoos and Aquariums species survival plan, a program that identifies genetically important birds and allows specific breeding activity to occur.Five chicks have hatched in the penguin colony as of 2014 and some of those have been sent to other accredited institutions.