Strigiformology (OWLS) Part 1 with Dr. R.J. Gutiérrez

Photo: Dr. R.J. "Rocky" Gutiérrez wearing one of K.T. Wescott-Gutiérrez's hand-knit owl sweaters. This 2020 sweater features a Blakiston's fish owl (via Dr. Jonathan Slaght's Facebook post).

OWLS. FINALLY. In no particular order: what’s up with their eyes, legs, hoots, feathers, silent flight, nests, folklore, necks, barfs, conservation status, and omens? Go take a walk or sit on a porch in the dusk and make friends with Rocky. Dr. R.J. “Rocky” Gutiérrez is a celebrated researcher, Professor Emeritus at the University of Minnesota, a legend in the owl world, and simply one of the loveliest ologists. He’ll take us on a trip next to a river, scrambling up some trees, over rocky terrain and through the forest to learn why owls are so magnetic. Yeah, I called owls the best bird. Not backing down. 

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Follow Dr. Gutiérrez on Google Scholar

Donations went to the International Owl Center and Northcoast Environmental Center


Links to things we discussed:

Plan to kill thousands of barred owls raises question about removing one species to save another

Spotted Owl Abundance in Young versus Old-Growth Forests, Oregon

Genetic structure, introgression, and a narrow hybrid zone between northern and California spotted owls (Strix occidentalis)

They Shoot Owls in California, Don’t They? - The New York Times

Plan to kill 450,000 owls pushes past major obstacle with Republicans both for and against 

Mark Cunningham’s Zen Rio Grande Relaxation Sounds

Gallery of Owl Skulls

Anatomical study of the scleral ring and eyeball of the long‐eared owl (Asio otus) with anatomical methods and diagnostic imaging techniques

Amazing Facts About Owl Eyes | American Bird Conservancy 

How owls’ necks turn so far round - Sketchplanations

A breeze blows the feathers from the opening of a Barred Owl's ears 

Owls of the Eastern Ice: A Quest to Find and Save the World's Largest Owl by Jonathan C. Slaght

Towards silent and efficient flight by combining bioinspired owl feather serrations with cicada wing geometry

Evolution and Ecology of Silent Flight in Owls and Other Flying Vertebrates

Witches' broom deformed tree growth - Woodland Trust 

Great Horned Owl (Bubo virginianus) adult and chicks nesting on a large witch’s broom

Simple DIY Owl Box Plans - Grit 

Barn Owl nestboxes: Free owl nest box plans 

Nest Boxes | Carolina Raptor Center

Owl Pellets - Meigs Point Nature Center

Barn Owl Pellet Analysis and Dissection    

International Festival of Owls: March 2026


Other episodes you may enjoy:

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FIELD TRIP: Birds of Prey and Raptor Facts

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Editing by Mercedes Maitland of Maitland Audio Productions and Jake Chaffee

Managing Director: Susan Hale

Scheduling Producer: Noel Dilworth 

Transcripts by Aveline Malek

Website by Kelly R. Dwyer

Theme song by Nick Thorburn

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Historical Toxicology (OLD TIMEY POISONS) with Deborah Blum