The white egret is read as purity, calm and clarity of purpose. Wading slowly through shallows, it stands for moving carefully through something muddy without being stained by it.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.