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Science without context
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<blockquote data-quote="DeerCamp" data-source="post: 5784441" data-attributes="member: 21011"><p>I recently watched a deer podcast online, and they were discussing how weather impacts deer movements. GPS collar studies have brought some much needed science to deer-isms. I got a healthy dose of these while hunting with my old school pops a few weeks ago in Oklahoma. </p><p></p><p>But in this podcast I heard the host talking about how the moon, wind,etc don't affect deer movements, etc. AND then I heard him repeat the adage that research has found that TEMPERATURE doesn't affect deer movements. I chuckled. Oh boy, here we go. </p><p></p><p>Science needs context. A couple years ago when the Penn State study came out claiming this, I read the entire publication and looked at the data. The problem was obvious.</p><p></p><p>The researchers were only using October data. And this oft repeated myth that temperature doesn't affect deer movement is largely based on this study.</p><p></p><p>For context, I was involved in some deer research when I was in college, and ironically, most of the people that were doing the study were not hunters at all.</p><p></p><p>So I emailed the researcher. I explained to them my concerns. That in October, a deer is in much different physiological condition than in November. First and foremost, their winter coat is still coming in. Secondly, the cold weather that happens in November is generally much colder, and lasts longer. This drives deer (with ruminant stomachs) to eat more and more often, because digestion is an important key to temperature regulation in ruminants.</p><p></p><p>He explained that they used October data because November data with the rut was too erratic. But guess what - November is when most people hunt!</p><p></p><p>20 years of hunting and 15 years of trail cams have 100% confirmed to me that on average, cold days are better to hunt than hot days. It's not even up for discussion if you have spent time in the woods. Sure, you can kill a buck on a warm day. But you can kill 3 bucks to every 1 of those on a good cold day after a front. </p><p></p><p>And don't get me wrong, I'm not bashing these researchers. They ARE doing good science, and their intentions are noble. But they need context.</p><p></p><p>Weather absolutely, 100%, without question, impacts deer movement. More specifically temperature and wind. </p><p></p><p>So I invited him to come hunt with me. I would pick 3 warm days for him to hunt, and I would hunt 3 cold days and see who sees more deer. He graciously declined.</p><p></p><p>Considering the context, I don't blame him.</p></blockquote><p></p>
[QUOTE="DeerCamp, post: 5784441, member: 21011"] I recently watched a deer podcast online, and they were discussing how weather impacts deer movements. GPS collar studies have brought some much needed science to deer-isms. I got a healthy dose of these while hunting with my old school pops a few weeks ago in Oklahoma. But in this podcast I heard the host talking about how the moon, wind,etc don't affect deer movements, etc. AND then I heard him repeat the adage that research has found that TEMPERATURE doesn't affect deer movements. I chuckled. Oh boy, here we go. Science needs context. A couple years ago when the Penn State study came out claiming this, I read the entire publication and looked at the data. The problem was obvious. The researchers were only using October data. And this oft repeated myth that temperature doesn't affect deer movement is largely based on this study. For context, I was involved in some deer research when I was in college, and ironically, most of the people that were doing the study were not hunters at all. So I emailed the researcher. I explained to them my concerns. That in October, a deer is in much different physiological condition than in November. First and foremost, their winter coat is still coming in. Secondly, the cold weather that happens in November is generally much colder, and lasts longer. This drives deer (with ruminant stomachs) to eat more and more often, because digestion is an important key to temperature regulation in ruminants. He explained that they used October data because November data with the rut was too erratic. But guess what - November is when most people hunt! 20 years of hunting and 15 years of trail cams have 100% confirmed to me that on average, cold days are better to hunt than hot days. It's not even up for discussion if you have spent time in the woods. Sure, you can kill a buck on a warm day. But you can kill 3 bucks to every 1 of those on a good cold day after a front. And don't get me wrong, I'm not bashing these researchers. They ARE doing good science, and their intentions are noble. But they need context. Weather absolutely, 100%, without question, impacts deer movement. More specifically temperature and wind. So I invited him to come hunt with me. I would pick 3 warm days for him to hunt, and I would hunt 3 cold days and see who sees more deer. He graciously declined. Considering the context, I don't blame him. [/QUOTE]
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