a mute swan runs across water

swan mute flight float fly flying channahon dupage river four rivers environmental education center illinois county animal aquatic bird attack avian birdwatching blue brown crane cygnus olor duck egret fauna fowl freedom glide heron lake lakeside midair onslaught ornithology pond poultry pounce soar soaring songbird stork tan water waterbird waterfowl white wildlife yellow runs attempt