Enthusiastic support came from William Slanden, professor emeritus from Johns Hopkins University in Baltimore, Md., who wanted to return trumpeter migration to the nearby Chesapeake Bay area.

• 马里兰州巴尔的摩的约翰·霍普金斯大学退休教授威廉·斯来登热情支持我们，他想把野天鹅迁回到附近的切萨皮克湾地区。