(Des Moines, Iowa) – The Iowa DNR is asking for your help in learning more about the secretive Gray Fox species.

Gray fox were listed as a Species of Greatest Conservation Need in Iowa in 2015 based on a decline in the gray fox population observed over the past 25 years. Similar trends have been noted in several other Midwestern states. The gray fox is smaller than coyotes and red foxes. Adult gray foxes typically weigh 10 – 12 lbs. They are mostly gray with patches of reddish, tan fur down the side of their neck and body. A distinct black line extends down the top of their tail. Their face also has distinct black and white markings.

The gray fox population decline in Iowa is correlated with increases in the population of coyotes, raccoons, and bobcats. Increasing coyote and bobcat populations may affect gray fox populations through competition and predation. Raccoons may impact gray fox populations through the spread of disease, particularly canine distemper virus.

Small Gray Fox

Canine distemper is common in raccoons, and gray fox are highly susceptible to this lethal disease. Changes in our forests habitat may also contribute to lower gray fox numbers. Mature, even-aged forests don’t support the prey base needed for gray fox. However, the cause or causes of the decrease in the Iowa gray fox population is unknown. A combination of these factors, as well as potential other unknown factors, may have contributed to their decline.

The Iowa Dept. of Natural Resources wildlife staff monitors the gray fox population in Iowa through surveys and harvest annually. For example, the Iowa Bowhunter Observation Survey began in 2004, and currently provides annual data upon which to base population trend analysis. Bowhunters record the amount of time they spend in the field, and the number of gray fox (along with other species of wildlife) they see during each hunt outing.

The bowhunter observation survey allows us to standardize the number of sightings based on the amount of time or effort spent bowhunting, resulting in an index that provides insight into trends in furbearer populations such as gray fox. The Iowa Dept. of Natural Resources wildlife research staff are initiating efforts to conduct a pilot study to monitor and gather information on gray foxes, so we can begin the process of understanding the causes of their population decline. Due to their already low numbers, you can help out the DNR by providing them with gray fox locations!

The DNR is asking for information on any sightings or recent trail cam images (within the last 6 Months) of gray foxes that are alive. Just send an email or call Dave Hoffman or Vince Evelsizer with location information such as GPS coordinates or Twp,Rge,Sec. Dropping and sending a pin works great too.

Dave Hoffman – Iowa DNR Wildlife Phone: 641-425-0737; Email: david.hoffman@dnr.iowa.gov

Vince Evelsizer – Iowa DNR Wildlife Phone: 641-231-1522  Email: vince.evelsizer@dnr.iowa.gov

If you find a dead gray fox (roadkill, trapped, hunted, other) that’s in decent condition, we’d be interested in having the carcass for further examination/necropsy. Please contact Rachel Ruden (Iowa DNR Vet) or Vince Evelsizer if you do have one.  Rachel Ruden – Iowa DNR Wildlife Veterinarian Phone: 515-823-8544; Email: Rachel.ruden@dnr.iowa.gov

(Des Moines, Iowa) – Officials with the Iowa Department of Natural Resources report Snowy Owls are making their way into the state, looking for food on their way south. You can observe the winged wonders, but please, give them space so they can hunt undisturbed. If your presence changes the behavior of an owl (Ex: it flies or looks right at you) you’re too close and you may be causing undue stress. Do not approach an owl unless it is obviously injured or struggling to fly, and always consult a licensed wildlife rehabilitator before intervening.

Snowy Owls breed in the open landscapes of the Arctic Tundra. During summers with abundant food (particularly lemmings), many young are produced, and the following winter, many of those young owls disperse south into the US to look for winter prey. When large numbers of owls move south in winter it’s called an irruption. Although it’s not a large irruption year, at least a dozen snowy owls have been seen in Iowa so far this season, with many arriving in the last two weeks. Unlike other owls, Snowy Owls are active during the day (diurnal) and can be spotted in open areas, like agricultural fields and airports, looking for food. Snowy Owls are sit-and-wait predators and often sit in one spot for hours at a time. They commonly perch on wooden fence posts and telephone poles, or find a spot to sit on the ground.

Although some people may worry that Snowy Owls will be susceptible to heat stress in an unseasonably warm Iowa winter, there is little evidence to suggest that a few days of temperatures in the 70s will be too much for the birds to handle. In their breeding range, days in the 50s are common and Snowy Owls have been observed surviving the winter as far South as Florida where average daily highs are in the upper 60s all winter long. More pressing threats are human-related (Ex: collisions with vehicles and power lines).

The DNR is interested in learning more about Snowy Owls wintering in Iowa and the threats they face, so if you happen to find a dead Snowy Owl, please report it to Iowa DNR’s Avian Ecologist Anna Buckardt Thomas (anna.buckardt@dnr.iowa.gov, 515-823-3945) and/or the State Wildlife Veterinarian Dr. Rachel Ruden (rachel.ruden@dnr.iowa.gov, 515-823-8544).

If it is safe to do so, you may retrieve dead owls using gloves and a garbage bag. Keep in a cool place but avoid freezing until you can turn over to a wildlife biologist or conservation officer. Remember, unless you are transferring to the Iowa DNR or other permitted entity, it is illegal to be in possession of a migratory bird carcass under federal law.