Egret (scientific name: Egretta garzetta), also known as little egret, egret, white-feathered egret, is a medium-sized wading bird and belongs to the genus Egretidae.There are 13 species of birds in the genus Egret, including great egret, medium egret, egret (little egret), yellow-billed egret and snowy egret, all of which have all white body feathers and are commonly known as egrets in the world.