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The Field Guides

By: The Field Guides
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  • Summary

  • Nature nerds rejoice! The Field Guides is a monthly podcast that will bring you out on the trail, focusing on the science of our North American wildlife.
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Episodes
  • Ep. 65 - Fishers: Eatin’ More Toes Than Turkeys

    Ep. 65 - Fishers: Eatin’ More Toes Than Turkeys
    Apr 30 2024

    Fishers (Pekania pennanti) are a predator species reclaiming much of its former range in the northeastern US, but, as sightings become more common, so do stories of what fishers (AKA fisher cats) are up to. Are they eating young turkeys and housecats? Are they the animal you hear screaming from the woods at night? Why did one study find fisher toes and feet in the stomachs of other fishers?! This episode, the guys are on the trail - both literally and figuratively - tracking down the life history of this elusive member of the weasel family.

    This episode was recorded on April 24, 2024 at Hunters Creek County Park in East Aurora, NY.

    Episode Notes

    Are skunks weasels? The guys debated whether or not skunks are members of the weasel family, with Daniel saying that they were not. Turns out he was correct. The Canadian Encyclopedia states:

    Skunks were previously considered as part of the weasel family (Mustelidae) but DNA research has placed them in their own family, Mephitidae.

    What do you call a genus that contains only a single species? Bill asked Steve this question, and Steve responded that he thought the term was monotypic. He was right!

    Visit thefieldguidespodcast.com for full episdoe notes and works cited
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    Less than 1 minute
  • Ep. 64 - Let's Look at the Eclipse! (Not Literally)

    Ep. 64 - Let's Look at the Eclipse! (Not Literally)
    Apr 1 2024
    Who doesn’t love an eclipse? Apparently, wildlife has very mixed feelings about the whole affair. This month, the guys prepare for the upcoming 2024 total eclipse by looking into the research around how animals react to the moon photobombing the sun for a few minutes. The reactions are not universal, but they are varied. And trying to figure out what the animals are up to makes for a fascinating listen. This episode was recorded on March 20, 2024 at Reinstein Woods Nature Preserve in Cheektowaga, NY.Episode NotesBill mentioned that “wind is air moving between temperature differences.” When listening back to the episode during editing, he worried that maybe he was wrong on that. Looking it up, he did find some websites claiming that wind is due to differences in air pressure and that temperature has little to do with it, but it turns out that’s not quite true either. According to the good people at NOAA (The National Oceanic and Atmospheric Administration, the organization referred to in this episode), the answer is both. Their short answer to “what makes wind?” is that it’s the movement of gases from high-pressure areas to low-pressure areas. BUT, they go on to say that the main cause of wind is actually temperature. More specifically, it’s differences in temperature that lead to different air pressures.It all starts because as the sun warms up the air on the Earth, it does so unevenly. Because the sun hits different parts of the Earth at different angles, and because Earth has oceans, mountains, and other features, some places are warmer than others. Because of this, we get pockets of warm air and cold air.Since gases behave differently at different temperatures, that means you also get pockets with high pressure and pockets with low pressure. Generally speaking (and notice we said generally), in areas of high pressure, the gases in the air are colder and more crowded. In low pressure zones, the gases are warmer and a little more spread out. And this is why wind happens. Gases move from high-pressure areas to low-pressure areas. And the bigger the difference between the pressures, the faster the air will move from the high to the low pressure. That rush of air is the wind we experience.Bill stated that perigee when the moon is farthest from the Earth. WRONG! The point in the moon's orbit where it is farthest from the earth is called apogee, while it's closest approach is known as perigee.Steve mentioned he though an eclipse viewer was like a camera obscura, and he was correct! A camera obscura is a darkened room with a small hole or lens at one side through which an image is projected onto a wall or table opposite the hole. The camera obscura was used to study eclipses without the risk of damaging the eyes by looking directly into the Sun. From WikpediaLinks Ways to get involved recording weather and/or animal behaviors during the eclipse:The Eclipse Soundscapes Project is a NASA Citizen Science project that's studying how eclipses affect life on EarthSolar Eclipse Safari is another Citizen Science option that invites you to collect data on animals and their behaviors during the eclipse. This project looks at domestic and well as wild animals. https://www.greatamericaneclipse.com/ - a great website for general info about eclipses What Do Birds Do During a Total Eclipse? - an article compiling eBird sightings and descriptions of bird behavior during the 2017 eclipse, including an animation of radar data that shows bird activity during totality Sponsors and Ways to Support UsGumleaf Boots, USA (free shipping for patrons)Thank you to Always Wandering Art (Website and Etsy Shop) for providing the artwork for many of our episodes! Support us on Patreon!Check out the Field Guides merch at our Teespring store. It’s really a great deal: you get to pay us to turn your body into a billboard for the podcast!Works CitedBuckley, E.M.B., Caven, A.J., Gottesman, B.L., Harner, M.J., Pijanowski, B.C. and Forsberg, M.L., 2018. Assessing biological and environmental effects of a total solar eclipse with passive multimodal technologies. Ecological Indicators, 95, pp.353-369.Fulton, S.A. and Dodd, L.E., 2018. Acoustic Activity of Bats in Kentucky During the Total Solar Eclipse of 2017. Northeastern Naturalist, 25(3).Hartstone-Rose, A., Dickinson, E., Paciulli, L.M., Deutsch, A.R., Tran, L., Jones, G. and Leonard, K.C., 2020. Total Eclipse of the Zoo: Animal Behavior during a Total Solar Eclipse. Animals, 10(4), p.587.Mekonen, S., 2021. Bird Behaviour during the June 21, 2020 Solar Eclipse. Egyptian Academic Journal of Biological Sciences, B. Zoology, 13(1), pp.103-115.Fazekas, Andrew. Surprising Ways Animals React to Solar Eclipses, Nationalgeographic.com, 14 August, 2017, https://www.nationalgeographic.com/science/article/animals-react-total-solar-eclipse-august-space-science. Accessed 17 Mar. 2024.Gerasopoulos, E., Zerefos, C.S., Tsagouri, I., Founda, D., Amiridis, V., Bais, A.F., Belehaki, A....
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    1 hr
  • Ep. 63 - Field Trip!: On the Trail of the Florida Panther

    Ep. 63 - Field Trip!: On the Trail of the Florida Panther
    Feb 22 2024
    Florida Panthers (Puma concolor couguar) are a distinct population of pumas that live predominantly in southwest Florida. Pumas used to roam the entire United States, but habitat loss and overhunting in the 1800’s and early 1900’s caused them to disappear from much of their range. Every breeding population of pumas East of the Mississippi river vanished, except for one. South Florida, due to its wild and swampy nature, was able to thwart human development just enough for its inhabiting pumas to narrowly avoid oblivion. These surviving pumas, or Florida Panthers, represent the resiliency of wild south Florida. The decades since their near extinction have been filled with controversy, conservation, and politics. This iconic cat still has many challenges to face, and with only 200 or so remaining in the wild, their future is uncertain.  Daniel was first introduced unofficially to this animal during his first trip to Everglades National Park in 2017. The Florida Panther and the swampy, remote areas in which they are found captivated Daniel’s imagination. Every subsequent trip to the Everglades and southwest Florida had at least some time dedicated to searching for this cat, all to no avail. In January 2024, after spending months preparing and researching, Daniel embarked on a five-day solo trip in the backcountry of the Big Cypress National Preserve, with the sole objective of finally crossing paths with a panther.But what exactly IS a Florida Panther? Are they only found in Florida? Are they black? What is the difference between a Florida Panther and a mountain lion? And of course… do they eat people?!  Luckily, Bill was able to meet Daniel in south Florida to record an episode about the Florida Panther and tackle the questions and misconceptions that leave this cat shrouded in mystery.  This episode was recorded on January 8th, 2024 at Everglades National Park in Homestead, FL.   Episode NotesWhen Daniel was talking about Florida Panther size, they were described as smaller than other pumas out west. It should also be noted that while they do fall to the bottom of the size and weight scale of pumas in North America, the populations of pumas closer to the equatorial rain forests in South America are even smaller. This reinforces the notion discussed in the podcast that pumas in colder climates or higher elevation tend to be larger than pumas in warmer climates and lower elevation.  Also, Bill asked Daniel what their life span was, and Daniel was not sure.  Bill guessed 20-30 years. According to Florida Fish and Wildlife Conservation Commission, “Panthers can live up to 20 years or more in the wild. Female kittens have a good chance of living 10 years or more. Males have a tougher time, but if they survive to five or six years old, they are likely to live even longer to 10 or more years.” Nicely done Bill!While discussing vehicular collisions as the number one cause of death of Florida Panther, Bill and Daniel discussed how in 2023, 13 Florida Panthers were killed by vehicular strikes. So far in 2024, there have been five. Bill and Daniel referred to the rule about animals being larger the farther you get from the equator, but they couldn’t remember the name of the rule. It’s Bergmann’s Rule, and it’s defined as:  “one of the best-known generalizations in zoology. It is generally defined as a within-species tendency in homeothermic (warm-blooded) animals to have increasing body size with increasing latitude and decreasing ambient temperature. That is, Bergmann's rule states that among mammals and birds, individuals of a particular species in colder areas tend to have greater body mass than individuals in warmer areas. For instance, white-tailed deer are larger in Canada than in the Florida Keys, and the body size of wood rat populations are inversely correlated with ambient temperature. This principle is named after a nineteenth-century German biologist, Karl Bergmann, who published observations along these lines in 1847.” - from The New World EncyclopediaLinks Panther Pulse, the database containing documented Florida Panther deaths and depredations: https://myfwc.com/wildlifehabitats/wildlife/panther/pulse/Path of the Panther: https://pathofthepanther.com Sponsors and Ways to Support UsGumleaf Boots, USA (free shipping for patrons)Thank you to Always Wandering Art (Website and Etsy Shop) for providing the artwork for many of our episodes! Support us on Patreon!Check out the Field Guides merch at our Teespring store. It’s really a great deal: you get to pay us to turn your body into a billboard for the podcast!Works CitedCaudill, Gretchen & Onorato, Dave & Cunningham, Mark & Caudill, Danny & Leone, Erin & Smith, Lisa & Jansen, Deborah. (2019). Temporal Trends in Florida Panther Food Habits. Human-Wildlife Interactions. 13. 87-97. 10.26076/kta5-cr93.Cox, J. J., Maehr, D. S., & Larkin, J. L. (2006). Florida Panther Habitat Use: New Approach to an Old Problem....
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    1 hr and 12 mins
Natural History Comedy & Humor
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Profile Image for Bryan Fleck

Great Combination of Entertaining and Educational

I've been listening to The Field Guides for years. The hosts do a great job researching a natural history topic and presenting it in an engaging and entertaining way. I've learned a lot just listening to this podcast and I always look forward to the next episode.

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