When trumpeter swans were first reintroduced, they were on Ohio’s endangered species list, according to the ODNR. In 2012, they were downgraded to the threatened species list. “Trumpeter swans ...

The Division of Wildlife said trumpeter swans were listed as an endangered species upon release, and populations have been on the rise ever since, leading to a positive downgrade to threatened ...

About the same size as a trumpeter swan ... happens bringing a non-native species into a different environment can turn into a nightmare. Over the years mute swan escapees have created breeding ...

We were flying as part of a month-long U.S. Fish and Wildlife Service project to study the Alaskan population of trumpeter ... swan populations is still necessary. “We don’t want this species ...