鹭 is a general term for herons and egrets. The most commonly mentioned species is 白鹭 (báilù, great egret or little egret), which appears frequently in classical Chinese poetry as a symbol of purity and elegance.
memory
The top component 路 (lù, road) gives the sound; the bottom component 鸟 (niǎo, bird) gives the meaning — a bird that sounds like 路.