Close up of a black neotropic cormorant moving its throat with the beak open to regulate its temperature in nature

phalacrocorax brasilianus phalacrocorax brasilianus neotropic tropic cormorant olivaceous specie bigua bird habitat behavior wild wilderness nature native exotic vegetation plumage wings feathers beak black environment shallow water aquatic neck bill open movement regulate lower temperature throat thermoregulate heat season seasonal wheater hot peaceful delicate nobody no people outdoors closeup close up