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