The online meeting runs from 12 to 2 PM Mountain time according to the news release.
Those wishing to testify must register in advance.
Written comments will also be accepted.
Historically, the advocates have opposed motorized removal of wild horses and burros but they are warming up to the idea, led by the Salt River Wild Horse Darting Group.
► Get the truth about wild horses and the wild horse advocates at westernhorsewatchers.com.
Western Horse Watchers Association 