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Bayou-Diversity
Monday at 9 a.m., Tuesday at 7:45 a.m. and Thursday at 1 p.m.

Kelby Ouchley, former manager of Black Bayou Lake and other area National Wildlife Refuges, provides expert insight into the flora and fauna of Louisiana. Each week, he brings awareness of conservation ethics and education about what makes our area special -- and worth preserving.

Archived editions of Bayou-Diversity (December 2014 and older) can be found here.

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  • Alligators did not welcome the recent spate of cold weather. The least-known aspect of alligator life history involves their behavior during the winter,…
  • Many people in northeast Louisiana are familiar with the legend of a buried silver bell in the Tensas swamp by the antebellum plantation owner Norman…
  • Of all natural phenomena, one that never fails to elicit a cry of exclamation is a bright shooting star. Each year the earth crosses several comet dust…
  • At the top of my long driveway through a patch of diverse forest that is at least 130 years old, there was a peculiar episode of mortality not long ago.…
  • Have you ever wondered why the bony appendages on a cow are called horns while those on a deer are called antlers? Find out why and learn more about…
  • The source of mysteries is not limited to the likes of Tony Hillerman or P.D. James. Nature also serves up some perplexing whodunits from time to time. On…
  • No doubt landscapes tug on our psyche. Whether a snow-capped Colorado mountain or a shimmering gulf coast beach, our brains react to certain topographies…
  • The degree-toting ornithologists call her pied-billed grebe but in Louisiana she answers to “di-dipper,” or “hell-diver” on a bad day. For her the water’s…
  • About a hundred yards north of my house in the dense woods, the remnants of an old fence can be seen running north-south over a sandy-clay hill on the…
  • Grapes are woody vines that climb with tendrils in search of sunlight. About twenty species of native grapes are found in the eastern United States in a…