Columbian white-tailed deer have been considered an endangered species since 1967, when they were federally listed. At that time, about 450 white-tailed deer lived in Washington and Oregon.

The average U.S. driver’s odds of hitting an animal is 1 in 127 in 2023 but at this time of year, in some states, those odds increase dramatically.

Two types of parasites that often use deer as hosts, but rarely lead to illness in them, are much more problematic in moose, where they can cause many symptoms and be fatal. The finding points ...