great blue heron stalks across a tide pool at low tide in early morning

animal behavior animal hunting animals ardea herodia avian beak bird birdwatching british columbia coast environmental conservation extend feathers fishing gray-blue great blue heron heron hunting large low tide nature ornithology outdoors outside pacific northwest pacific ocean plumage predator sea shadow shore spring stalking tidepool wading wading bird water west coast wildlife witty#39aph39#s lagoon yellow