alba albus alert alertness animal animalia animals ardea aves beach beak beautiful beauty bill bird birds blue bolsa bushes casmerodius chica colorful creature egret egrets feather feathers flight fly flying great green heron inflight lake landing life marsh meadow motion natural nature outdoor outdoors outside overhead park plant plumage plumes pond portrait preserve reed reeds reflection river san sky spread stalk stalking take off vegetation wade wading water wet wetland white wild wilderness wildlife wings