the eurasian coot, fulica atra, also known as coot

animal atra avian avifauna bird birdblack birding birdinwater birdswimming black blackfeathers blooded conservation coot day daylight ecology endothermic environment eurasian eurasiancoot european feathers fulica fulicaatra green lake marsh natural nature ornithology outdoors outside park pond rallidae spring swim tachymetabolic vertebrate warm water wetlands white whitebill wild wildlife