The Field Guides

The Field Guides

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.

Episodes

September 15, 2025 42 mins

Part 2 of our time in the woods with naturalist Sandy Geffner. This time, Sandy leads Steve and Bill on a “hike”—though with Sandy, the word takes on a different meaning. You might not cover much distance, but you’ll travel miles in understanding: exploring ecology and hearing stories of the forest and the wildlife within it. Enjoy!

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What exactly is a “naturalist”? Spend a little time with Sandy Geffner, and you’ll find out. Steve and Bill rarely go more than an episode or two without mentioning him—a naturalist who profoundly shaped both their lives. This month, they head into the woods to talk with Sandy about how a baseball-loving kid from Long Island became someone who’s inspired count...

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July 31, 2025 48 mins

It’s hard to believe, but we’re doing another episode on fish! This time around, Steve introduces us to the Sturgeon (family Acipenseridae), from their dinosaur-era origins to their caviar-fueled scandals (did you know Beluga caviar comes from Sturgeon? Bill didn’t either). So strap in as the guys touch on Sturgeon, for the very first time.

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In this special bonus episode we're crossing over with The Spark Bird Podcast! (@sparkbirdproject)

Bill joins one of the hosts of the Spark Bird Project podcast, Jenn Lodi-Smith, to go birding in Buffalo’s historic Forest Lawn Cemetery, sharing spark bird stories, conservation efforts for migration...

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May 30, 2025 56 mins

Bill and Steve return for the second part of their look into the Dawn Chrous, that early morning explosion of bird song that refuses to let you sleep in.

This episode was recorded on April 20, 2025 at Majors Park in East Aurora, NY.

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April 30, 2025 51 mins

Bill and Steve look into the Dawn Chrous, that early morning explosion of bird song that refuses to let you sleep in.

And, for all you Daniel-haters out there, this episode is 100% Daniel-free (but Bill and Steve are both crying on the inside. We miss Daniel buckets, and we're betting you do, too)...

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March 31, 2025 56 mins

In this episode, Steve leads a discussion on the invasive Grass Carp. The guys go over the evolutionary history of grass carp and its relatives, its biology, its introduction to The Great Lakes region, why people are concerned, and anything interesting Steve found out about it.

There are a lot more...

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January 31, 2025 73 mins

The guys return to Everglades National Park, again looking for a predator that Daniel wants to get too close to: the American Crocodile (Crocodylus acutus). Listen in as Daniel shares some research, busts croc-related myths, and Steve probably gets a little too excited about how crocs deal with salt water. Bill doesn’t have much to say, but he’s there, too. Enjoy!

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December 31, 2024 67 mins

This month, we head to the tropics and meet the Blue Iguana of the Cayman Islands! This endangered lizard is found nowhere else on the globe save for the island of Grand Cayman in the Caribbean, and just two decades ago, it’s likely there were fewer than 25 animals remaining in the wild. This was a species that was functionally extinct, but thanks to the herculean effo...

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How hard is it to reintroduce species to a tropical island? Turns out, pretty hard! But it’s so worth it. The rewilding of the Galapagos island of Floreana will make it the largest tropical island ever to be rewilded. Researchers have spent over a decade meticulously planning for the reintroduction of the iconic Floreana Giant Tortoise (Chelonoidis niger niger). Once thought to be extinct, this species, along with eleven other loca...

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October 31, 2024 78 mins

This month, Daniel leads the guys into uncharted waters for the podcast…that’s right, it’s our first-ever episode about fish! The Great Lakes salmon fishery is one of the greatest angling spectacles in the US. Large predatory salmon, native to the Pacific Northwest, are stocked in the Great Lakes region to maintain a world class fishery and control invasive baitfish. The undisputed monarch among these stocked species? The...

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If we want to help wildlife, we need to know when and where they’re moving on the landscape. Dr. Scott LaPoint has spent his career researching just that. When our recent episode on fisher cats left us with a lot of questions, we figured who better to help us out than Dr. LaPoint. He was kind enough to join Daniel and Bill for a hike, sharing his expertise and his amazing ability to communicate science with enthusiasm, humor, and c...

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Pinesap (Monotropa hypopitys) is a goofy little plant that parasitizes fungi and can often be found beneath pine trees. It is not the sap of pine trees like Daniel thought. In this episode, Bill leads the discussion about the complex relationships between pinesap, its fungal host, and the tree species the fungi has a symbiosis with. Garlic mustard (Alliaria petiolata) also makes a guest appearance! Join the guys as they get caught ...

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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 ...

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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 wha...

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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 Flor...

Part 2 of our Timber Rattlesnake episode. If you haven’t listened to part 1, go and do that. We’ll wait right here for you.

The episode was recorded on December 7, 2023 at Hunters Creek County Park in East Aurora, NY.

Episode Notes

When the guys discussed the different...

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Love ‘em or hate ‘em, we wager you’ll enjoy this dive into the shiny (not slimy) world of rattlesnakes. This episode, the guys take a close look (but not too close) at the Timber Rattlesnake (Crotalus horridus), trying to show how it’s not out to kill you and also finding out how it ended up on the “Don’t Tread On Me” flag. Plus, they introduce the newest field guide, Daniel!

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This month, Bill and Steve visit Floating Fen, although some might call it a bog, or is it a swamp? Thankfully, they’re joined by Erik Danielson, Stewardship Coordinator of the Western NY Land Conservancy (WNYLC), who schools them on the difference between these wetlands. Erik and the WNYLC are trying to preserve Floating Fen, a property home to a unique wetland, extraordinary life, and a d...

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The Bald Eagle (Haliaeetus leucocephalus) is a rare example of a species humans managed to pull back from the brink of extinction by getting off our collective asses and doing some stuff.

Already decimated by hunting and habitat loss, the post WWII enthusiasm for spraying the chemical DDT on just about everything sent Bald Eagle populations into fre...

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