Trumpeter swan in river, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

photography horizontal color image travel destinations travel yellowstone national park famous place national park usa unesco unesco world heritage site north america wyoming trumpeter swan swan water bird animal bird river water outdoors day wildlife no people one animal snow winter wild animals in the wild travel destination tourist destination tourist destinations rivers outdoor outside nobody no one no person national parks public land daytime birds animals