Migrating Tundra Swans ( Cygnus columbianus ) fly in formation after a layover in Lancaster County Pennsylvania USA. This swan is similar to the Whistling Swan and Trumpeter Swan.
ID: 577625044
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- 大图:3871 × 2581 像素·32.77 cm × 21.85 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 333 像素·17.64 cm × 11.75 cm·72dpi·JPG