group of pink flamingos standing on sandbar in the middle of a brown river, aerial top down

flamingos sandbar mangroves lagoon lake aerial river flock estuary resevoir shore mangrove marsh riverbank water brown river wetland shallow pink birds coast ecosystem conservation natural reserve environment wildlife mexico wild animals nature no people reserve wilderness top down yucatan walking rio lagartos landscape rural sanctuary birdwatching untouched vegetation outdoors biosphere outdoor standing forest exotic greenery