MADISON, Wis. (WFRV) – The Wisconsin Department of Natural Resources (DNR) announced that a snowy owl that was found dead in February likely died from emaciation.
The owl was found on February 5, 2025, in New Glarus, and there were no clear signs as to what caused its death. A DNR conservation warden recovered its body to submit it to the National Wildlife Health Center in Madison for a necropsy and testing.
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The most pronounced findings were emaciation caused by several intestinal worms, hindering nutrient absorption. High totals of intestinal worms are generally common in birds of prey, with some more susceptible because of genetics, immune status and feeding habits.
Avian Influenza (bird flu) was tested for and undetected.
According to the DNR, the owl’s public location, small territory and daylight activity drew several dozen visitors daily. These visitors varied from casual observers to avid photographers, with some seeking their first snowy owl sighting, others hoping to capture an ideal photo of the elusive Arctic migrant.
The popularity caused extra concern over the owl’s health and wellbeing, as fears over its ability to survive dwindled due to the high number of observers; however, the DNR clarified that there was nothing indicative of human disturbance being involved in its death.
Most of the snowy owl’s time in the area seemed fine and healthy, as many people say it was actively catching prey, a sign that it wasn’t starving; however, the DNR says it likely was starving in its last stages. The owl allowed closer approaches, which may suggest it was trying to save energy.
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Even without humans, survival for these wild animals can be challenging, the DNR said, but human-related causes greatly amplify the toll snowy owls in Wisconsin may endure, resulting in a nearly 80% mortality rate for snowy owls in their first year.
Visit the DNR’s website for tips on indicators a wild animal may need help.
