great blue heron - ardea herodias with hypostomus plecostomu in beak, costa rica

great blue heron ardea herodias hypostomus plecostomu beak costa rica bird animal nature wing fishing grey large wildlife wild horizontal fauna wetland egret environment water flight hunting america bill catching wilderness hunter fisher birdwatching wading waterbird birding ornithology habitat avian refugio vida silvestre cano negro water