Wisconsin’s Bald Eagle population is rebounding in a major way thanks to conservation efforts.
In a Facebook post, the Wisconsin Department of Natural Resources shows the number of active Bald Eagle nests documented during surveys. The first shows the population in 1974, the second is 2019.
The DNR credits the population growth to a national ban on the pesticide DDT, added protections under state and federal endangered species laws, river cleanups, and protection efforts.
The DNR says there are many more eagles than the map shows, as those are just nests. There are many more non-breeding and juvenile eagles that may not have permanent nests.