The Snowy Egret (Egretta thula) has yellow “slippers” and a yellow lore, which is the area between the eye and bill.
The Little Blue Heron (Egretta caerulea) is in the same family, Ardeidae, and same genus, Egretta, and around the same size. Both photographed in Lakeside Ranch STA on Saturday.
Egretta is a genus of medium-sized herons, mostly breeding in warmer climates. The genus name comes from the Provençal French for the little egret, Aigrette, a diminutive of Aigron,” heron”.
Egret, by Lin Fengmian, early 20th century, China.