Three egrets in India

Great Egret, Intermediate Egret and Little Egret at Madipakam, Chennai.
(பெரிய கொக்கு, இடைநிலை கொக்கு, சிறிய கொக்கு)@Avibase @orientbirdclub @BBCEarth #EarthCapture pic.twitter.com/8crTxYFXKr

— I am a Birdman (@amabirdman) November 13, 2018

#IdentifyingEgrets
Little egret has black beak and yellow feet (feet not seen in the pic)

In non-breeding plumage, Intermediate & Great have yellow beaks but Intermediate has yellow beak with black tip.

The gape (thin line below the beak) extends beyond the eye in Great Egret.

— I am a Birdman (@amabirdman) November 13, 2018