__NOWYSIWYG__ For other Aviary Eggs, see Aviary Egg. The Rare Purple Aviary Egg was first seen on FarmVille on September 7, 2011 when the Aviary was released. When harvesting their Aviary, farmers have a chance of finding a Rare Purple Aviary Egg. Farmers are able to share 3 Rare Purple Aviary Eggs with their neighbors and keep one Rare Purple Aviary Egg for themselves. Once placed on a farm, the Rare Purple Aviary Egg will hatch in 5 days time or can be hatched immediately using .