From the Daily Fly in Idaho:

Idaho Fish and Game’s second annual wolf population estimate documented the population was stable from 2019 to 2020, indicating that a similar number of wolves were added to the population and removed from the population between the two estimates. The 2020 estimate was 1,556 wolves, 10 fewer than the 2019 estimate of 1,566.

The estimates are made in August at a time of the year when the wolf population is near its annual maximum. Tracking human-caused mortality and adding estimated natural mortality through the year allows biologists to estimate the minimum population size, which occurs just before the addition of pups in March and April.

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