trumpeter swan (olor buccinator) pair in winter, yellowstone national park, wyoming, usa - 北美洲天鵝 個照片及圖片檔
trumpeter swan (olor buccinator) defending nest, threat, yellowstone national park, wyoming, usa - 北美洲天鵝 個照片及圖片檔
trumpeter swan (olor buccinator) in flight just above snow, teton national park, wyoming, usa - 北美洲天鵝 個照片及圖片檔
trumpeter swan defending its nest from something threatening. olor buccinator. yellowstone national park, wyoming. - 北美洲天鵝 個照片及圖片檔
detail of the head of a trumpeter swan. olar buccinator. yellowstone national park, wyoming. - 北美洲天鵝 個照片及圖片檔
trumpeter swan and cygnet dive for food. olor buccinator. yellowstone national park, wyoming. - 北美洲天鵝 個照片及圖片檔
trumpeter swans (cygnus buccinator) migrating in autumn in westchester lagoon with ice on the surface, south-central alaska - 北美洲天鵝 個照片及圖片檔
coyote (canis latrans) avoiding defensive trumpeter swans (cygnus buccinator) in yellowstone national park, wyoming, usa - 北美洲天鵝 個照片及圖片檔游泳
trumpeter swan (cygnus buccinator) flying over yellowstone national park, wyoming, usa - 北美洲天鵝 個照片及圖片檔
trumpeter swan (cygnus buccinator) preening in yellowstone national park, wyoming, usa - 北美洲天鵝 個照片及圖片檔
trumpeter swans (cygnus buccinator) in flight, riverlands migratory bird sanctuary, west alton, missouri, usa - 北美洲天鵝 個照片及圖片檔
trumpeter swans (cygnus buccinator) in flight at sunset, riverlands migratory bird sanctuary, west alton, missouri, usa - 北美洲天鵝 個照片及圖片檔
trumpeter swans (cygnus buccinator) in reflection lake near knik river in springtime - 北美洲天鵝 個照片及圖片檔阿拉斯加州, 野生動物
trumpeter swan (cygnus buccinator) family at mile 1 of nash road outside of seward, south-central alaska - 北美洲天鵝 個照片及圖片檔
a family of trumpeter swans (cygnus buccinator) in a small pond next to the seward highway at mile 14.7, south-central alaska in summertime - 北美洲天鵝 個照片及圖片檔
an adult trumpeter swan (cygnus buccinator) swims with three cygnets in a lily pad covered lake on the kenai peninsula in summertime, south-central alaska - 北美洲天鵝 個照片及圖片檔
a family of trumpeter swans (cygnus buccinator) in a small pond next to the seward highway at mile 14.7 of the seward highway, south-central alaska in summertime - 北美洲天鵝 個照片及圖片檔
a lone trumpeter swan (cygnus buccinator) swims in tern lake on the kenai peninsula, south-central alaska - 北美洲天鵝 個照片及圖片檔
a single trumpeter swan (cygnus buccinator) swims in a pond filled with lily pads next to the seward highway, south-central alaska in summertime - 北美洲天鵝 個照片及圖片檔
trumpeter swans (cygnus buccinator) taking flight over snow, yellowstone national park, usa - 北美洲天鵝 個照片及圖片檔