Modern day Wildlife Management in North America may be the best story never told.

Modern day Wildlife Management in North America may be the best story never told.

Sadly, most of us were never taught about wildlife management and conservation in our primary education. We can calculate angles of a triangle (if given a couple measurements) and we know when Columbus sailed the ocean blue but somehow wildlife and natural resources did not make the cut. Not as an ordinary part of the curriculum anyway. Did you know that at one time deer, turkeys, waterfowl and a number of wading birds were teetering from threatened to extirpated across much of their range? Do you know the story of how these critters and more went from the edge of extinction to becoming nuisance threats? Pity, as it may well be one of our nation’s greatest success stories.

Its not all sunshine and rainbows, just ask the passenger pigeon. Another pity, but one that helped pave the way for the North American Model of Wildlife Conservation. In 1850, as settlers were moving west with the “gold rush”, what was likely a slow decline in pigeon numbers went hardly noticed. That decline began to pick up steam in about 1870 and rapidly progressed until the last known wild passenger pigeon was shot at the turn of the century. An article from Michigan (1878) reads: “An average of 50,000 pigeons were taken per day for nearly 5 months consecutive”, this was one of the last large nesting attempts for the species.

Whenever modern-day debates spark up on expanding harvest opportunities, the folks against such things are quick to bring up the passenger pigeon’s plight as evidence supporting their cause. It is a story that is easy to understand. Pigeons were thought limitless, millions and millions were killed by people and now they are gone forever. Really tugs at the old heart strings, but it’s not the whole story. I have wondered what the sight of a passenger pigeon migration would look like more times than I care to admit. I have gotten downright angry about not having that opportunity! That emotional connection to a bird I will never see does not make the argument a valid one against modern day hunting.

Stuffed bird on a branch with wood in the background that is part of a display case.
A male Passenger Pigeon.

Much occurred during the 1800s across North America. The Louisiana Purchase, Gold Rush, the Civil War and the Wild West just to name a few. Its no wonder that with all that, something like conservation was not yet well established. The loss of the passenger pigeon along with the near loss of bison, pronghorn, white-tailed deer, wild turkey and black bears across the country helped give birth to a new attitude. Just as the passenger pigeon is proof that we can drive a species to extinction, the other critters mentioned above are proof that modern day wildlife management techniques not only work but can be used to aid in species recovery.

Oh, to go back to 1857 when one of the first bills concerning passenger pigeons reached the Ohio State Legislature. To listen to the discussion, the scoffs and the justification from the special senate committee when they ruled the passenger pigeon did not warrant any protections. “Pigeons are wonderfully prolific” they said, no doubt depending on their vast knowledge of the natural world to arrive at that conclusion. Fun Fact: Passenger pigeons would normally lay one egg. When the last captive passenger pigeon (Martha) died in 1914, she became the proverbial canary in the coal mine. The sting of losing something irretrievable and knowing that it was within our power to stop it, is enough to drive any naturalist mad.

You can call this period from around 1800 until around 1900, the period of exploitation and extermination. Luckily, some of those “mad” naturalists were Theodore Roosevelt, Aldo Leopold and George Bird Grinnell (all hunters). As president, Roosevelt started the National Forest Service, started the National Park system and used executive orders to set aside large amounts of public lands unapologetically. Along with George Bird Grinnell, Roosevelt founded the Boone and Crockett Club. The club helped set aside several refuges for non-game wading birds, sought to “regulate” hunting and pushed for a science driven management approach. Aldo Leopold expanded on that foundation laying out a long-term vision of wildlife management that we are still playing out to this day. 

Black-and-white image of Aldo Leopold, who is using a cane and wearing binoculars and a fedora, and his dog, Flick, in a field with trees next to them.
Aldo Leopold created the wildlife management and research professions we know today.

Just a couple years after the loss of Martha, and with her an entire species, the Migratory Bird Treaty Act was passed in 1918. Then came the duck stamp act in 1934 and the Federal Aid in Wildlife Restoration (Pittman-Robertson) Act of 1937. With public support for a transition from “market” hunting to what they called “sport” hunting, along with a solid funding source for conservation efforts provided by the later two Acts mentioned above, the modern era of conservation was initiated. 

A stamp depicting three geese in flight, which says, "Migratory bird hunting and conservation stamp. $25. Void after June 30, 2018. Canada Geese. U.S. Department of the Interior."
 The Federal Waterfowl stamp program provides considerable funding for habitat work. The Federal Waterfowl stamp program provides considerable funding for habitat work.

With the duck stamp and other license fees that hunters were paying along with the excise tax on firearms and ammunition that the Pittman-Robertson Act created, conservation could be funded by folks who were enjoying it, the hunters. This was important because when other things popped up like gold rushes, Louisiana Purchases or Civil Wars from the past century, the funding mechanism wasn’t cutoff. Being directed by science, not politics and almost entirely self-funded, many species have successfully rebounded. Rebounded at a time when habitat threats are greater than ever, I might add. It’s truly remarkable really.

My grandpa used to tell me stories from when he was young, and he could first deer hunt in his area. “First thing you had to do was find a track”, he would say. Deer were scarce back then so not all properties had them. Today when we think about hunting deer, we think about habitat, land features and food sources. This is because back when my grandpa was hunting long hours not seeing nothing, his dollars were used to help recover species, recover habitat, and learn about the natural world. Today the tracks are there, the tracks are everywhere.

The three pillars of modern-day wildlife management and conservation are: 1) user groups – hunters, trappers and anglers who fund the system, 2) Science based wildlife mangers and researchers who study wildlife and set regulations to achieve management goals while ensuring the preservation of biodiversity and 3) Conservation Police Officers to enforce the regulations. Working together, the three groups have achieved what they could not alone. The remarkable restoration of a number of species both game and non-game animals for the benefit of hunters and non-hunters alike.

Leopold laid out a fourth pillar, a fusion with human dimensions pillar. Wildlife managers started working with social scientists to learn more about hunters, non-hunters and their motivations several decades ago, but the approach is still in its infancy. Facing budgetary uncertainties, political pressure, and a declining hunting population, state and federal wildlife agencies are having a tough time treading water, much less exploring new territories. 

A bird on a branch depicted in black and white, with a shadow in the background. Text is in a black box in the upper-right corner of the image, with blurry, indistinguishable text, outside of the word "Extinct."
Last of her species, this is Martha.

We have a century or so of operating under this modern era of conservation. During this time, regulated hunting and trapping have never led to a species becoming endangered or extinct. Species, even those that are hunted continue to expand in many cases. At a time with so many uncertainties, the model of wildlife conservation in the US and Canada is certainly at the top of the heap. Similar conservation approaches have been used with great success in Africa and across the globe since. Will the successes of the past century or so continue or will the success bring about the sort of complacency that allows the pathway to progress to be disturbed?

For some reason, the feel-good stories don’t seem to sell as many tickets as the doom and gloom ones. Just turn on your favorite nature channel. The loss of the coral reefs, the loss of the rainforest, the ever-growing amount of plastic trash. Let’s not forget that although these threats are real, there are many modern-day conservation success stories that we need to talk about as well. Maybe we can even learn from them? Knowing that positive long-lasting changes can be made, frees us from being paralyzed by an overwhelming sense of futility that an unchanging story is playing out in which our actions have no influence.  

What would folks like Leopold and Roosevelt say if they were here today? Looking at the conservation successes since their tenure, I think they would be quite pleased and eager to face whatever challenges come next. As for what you can do. Well, thanks to some forward-thinking fellas long ago, you just need to go hunting!

President Theodore Roosevelt wearing a slouch hat, coat, and gloves, in the Sierra Nevada mountains.

Tick tock, tick season is coming. What you need to know.

Anyone who spends time outdoors has likely encountered ticks and has read about tick-borne illnesses. You likely wonder how prevalent ticks are across the state, what the risk is to humans of tick-borne illnesses, and what steps we can take to mitigate and prevent interactions with ticks. Today, we hope to provide some answers to these questions. Recently, we sat down and talked with Dr. Holly Tuten, a vector ecologist working at the University of Illinois Illinois Natural History Survey Medical Entomology Lab, to discuss ticks, tick-borne illnesses, and prevention strategies.

Statewide Tick Surveillance

Dr. Tuten is currently leading statewide tick surveillance at the INHS Medical Entomology Lab in partnership with the Illinois Department of Public Health. Their program, currently running through 2026, has several surveillance targets: the American dog tick (Dermacentor variabilis), the blacklegged tick, aka “Deer tick” (Ixodes scapularis), the Gulf Coast tick (Amblyomma maculatum), and the lone star tick (Amblyomma americanum). The lab collects ticks to better understand their geographic range and tests them for disease-causing agents, such as bacteria or viruses. Results are shared by the Illinois Department of Public Health in publicly available tick maps (hosted on the IDPH website). As surveillance data is compiled, they discuss risk awareness for hikers and hunters. For now, the primary objective is finding and testing as many ticks as possible to better understand species prevalence across Illinois.

Species Distribution

Understanding a species’ distribution is critically important since the pathogens that they may carry are species-specific. Essentially, species distribution data can be used to anticipate risks to human health.

Blacklegged Tick – This species is currently invading Illinois from north to south. The INHS Medical Entomology Lab surveillance and the work of colleagues, such as Dr. Brian Allan, have shown the highest tick density in northern Illinois, but it can be found across the state.

Lone Star Tick – On the flipside, the INHS-MEL surveillance indicates that the lone star tick is most dense in southern Illinois and expanding its range north. The leading edge of expansion appears to be in central Illinois, but it is reported throughout the state.

American Dog Tick – The American dog tick is prevalent in Illinois and can be found across the state.

Gulf Coast Tick — Current results from the INHS Medical Entomology Lab surveillance program indicate that the Gulf Coast tick is established in several southern IL counties, but it remains to be seen if they will move further north.

Disease Prevalence in Illinois Ticks

As we mentioned earlier, the INHS-MEL surveillance highlights the general prevalence of pathogens across the state. To date, the blacklegged tick has been sampled across northern and central parts of the state, and 39% of ticks tested positive for the agent of Lyme disease, but the likelihood of the disease agent varies by location, with more positive ticks in northern Illinois. According to the testing data collected thus far, the lone star tick carries agents of Ehrlichiosis at a rate of 2% to 3% and the American dog tick carries the agent of Rocky Mountain Spotted Fever (RMSF) at a rate of 1% to 2%. The Gulf Coast tick transmits Rickettsia parkeri, which is a spotted fever agent related to RMSF. INHS-MEL testing revealed a Rickettsia parkeri prevalence as high as 50% in some areas, with an average of 17%. Tuten stated: “To see something as high as 50% prevalence, it is different, it is shocking.”

These results indicate that it is possible, if not likely in some instances, to come across an infected tick while out in the Illinois woods hunting, scouting, hiking, or just spending time outdoors. This research highlights the importance of preventative steps that individuals should take while spending time in areas where ticks may be present.

Figure 1: Tick species and the pathogens they have tested positive for in Illinois. Click photo to enlarge.

Tick Prevention Tips: “Don’t be scared; be prepared”

Dr. Tuten explained that a generalization of how ticks find their meal is through the detection of movement, body heat, and CO2 sensing. Knowing how ticks hunt and their propensity to typically transfer from vegetation to ankles and thighs and then climb up, it is possible to prevent tick bites when in the field. Holly says, “Don’t be scared; be prepared.”

Tips for prevention in the field

  • Make an ascending clothing barrier.
    • Ticks typically transfer at thigh level and below, will stereotypically crawl up, so have an ascending barrier with your clothes. Having your pants tucked into your socks and your shirt tucked into your pants will prevent them from crawling up and under your pant cuff or shirt.
  • Use EPA-approved permethrin insecticide.
    • You can buy clothing that is pretreated or treat your own clothing. Read and carefully follow the label instructions before use. Note that the container states that it is highly toxic to cats when wet.
    • Once clothes are treated, the spray will be effective for several washes and is odorless, making it great for hunters who worry about fragrances.
    • Permethrin creates a symptom called “hot foot” in ticks. When they climb onto the fabric, the tick cannot stand to be on the clothing anymore and will fall off.
  • Use EPA-approved repellent.
    • EPA-approved repellents, like DEET, will repel ticks from climbing onto your clothing.
    • Read the label instructions before use and carefully follow.
  • Walk in the middle of the trails.
    • Stay in the middle of the trail or in open woods to prevent brushing up against vegetation.
  • Occasionally, perform visual tick checks of boots, bags, and clothing while in the field.

Once you return home

  • Undress next to the washer and dryer to prevent ticks from falling off around your house.
    • High heat kills ticks, not water, so at least dry your clothes, with longer dry times for damp clothing.
  • Take a shower to wash off any unattached ticks. According to the CDC: “Showering within two hours of coming indoors has been shown to reduce your risk of getting Lyme disease and may be effective in reducing the risk of other tickborne diseases.”
  • Perform a tick check: look and feel for any ticks.

Another significant issue that hunters need to be cognizant of is that ticks may still be attached to a harvested carcass and may leave the carcass during transportation or when at home before processing. This could cause ticks to remain in your car, hunting pack, etc. IL Learn to Hunt can recommend a few steps that hunters can take to ensure that they are not susceptible to ticks from a harvested carcass.

  • For small game (e.g., squirrels, rabbits), you can place the harvested game inside a Ziploc bag before placing in your game vest or hunting pack.
  • For larger game like deer, be very cautious about transporting deer in the cab of a vehicle or in a trunk. Again, read and follow the instructions, but it can be safe to treat the fabric parts of your car with permethrin or to use a permethrin-treated blanket to lay the carcass on during transport.

If you hang a deer carcass in your garage before processing, over time, you will notice ticks falling off the carcass. Many recommend placing a permethrin-treated sheet under the hanging carcass. Ticks that fall off the carcass will fall onto the sheet and die, reducing the likelihood of them living in your garage.

Emerging Issues

“If you thought ticks were awful, they have just gotten more awful.”

— Holly Tuten, Ph.D., vector ecologist

A New Clone Invader

The expression “be careful what you wish for” does not stop at magical genies; it also applies to interviews with vector ecologists. We found that out the hard way when we asked Dr. Tuten if she had any “additional facts” about ticks to share. Tuten went on to explain that a new invasive species of tick, the Asian longhorned tick (Haemaphysalis longicornis), currently found as close to us as Ohio and Kentucky, has a surprising ability. This tick can reproduce through parthenogenesis. This means that the female tick no longer needs a male tick to reproduce because it can clone itself. “If you thought ticks were awful, they have just gotten more awful,” Tuten said. The good news is that while the Asian longhorned tick has been associated with some human diseases in its home range, it has not yet been captured in the United States. The ability to clone itself gives this tick a high potential to establish itself in new areas, and it still may become associated with diseases as its population becomes more established.

Alpha gal: Mammal Meat Allergy

Dr. Tuten went on to describe another fact that could be VERY impactful to hunters. Tuten described the Alpha-gal allergy. This allergy can be caused by the bite of a Lone Star tick and makes the affected person allergic to mammal meat and mammal byproducts. This can be hard to clinically recognize in some cases, since the tick does not transmit anything (e.g., a pathogen); it is more likely a reaction to something within the gut of the tick. There is a delay after the initial tick bite, and you may not feel adverse effects until consuming meat several weeks later.

Unlike a peanut allergy, which can cause issues immediately, you may have a delayed anaphylactic reaction several hours later as your body digests the meat. In some people, it never proceeds to anaphylaxis but presents with gastrointestinal distress. With these delays, it may not be clear to clinical diagnosticians what is causing the illness, but there is a human test for the allergy. The only real option for people with this condition is to stop eating mammalian meat; however, some people have gone into remission. Illinois is one of seven states in the US with the 2nd highest occurrence of this allergy.  Nearby states, like Missouri and Arkansas, have some of the highest rates in the country (see Fig. 2 below — Binder et al. 2021). Lone Star ticks were often thought to be just a nuisance because they do not carry the Lyme agent, but now that we know about this allergy, more people should be aware of their existence.

So, as Dr. Tuten said, “Don’t be scared; be prepared!” and take the necessary precautions to ensure you have a safe and successful time afield.

 

Figure 2. Geographic distribution of alpha-gal IgE-positive persons per 100,000 population by state—United States, 2010 to 2018 (N = 15,091). Data are based on the state of origin of the first specimen testing positive for 15,091 persons. The number of persons tested and the number of positive per 100,000 were calculated using the average US Census population by state during the study period. Legend categories were created using the percentile distribution of data. Alpha-gal, galactose-alpha-1,3-galactose; IgE, immunoglobulin E; N/A, not applicable; No., number. Click photo to enlarge.

If you are interested in learning more about ticks, you can watch the entire discussion with Dr. Holly Tuten here:

More Resources

 

Citation

Binder, A. M., Commins, S. P., Altrich, M. L., Wachs, T., Biggerstaff, B. J., Beard, C. B., Petersen, M. D., Kersh, G. J., Armstrong, P. A. (2021). Diagnostic testing for galactose-alpha-1,3-galactose, United States, 2010 to 2018. Annals of Allergy, Asthma & Immunology. doi:10.1016/j.anai.2020.12.019

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