Okay, but is the dawn chorus getting quieter?

Okay, but is the dawn chorus getting quieter?

E30. That wall of birdsong outside your window at sunrise has a name, a structure, and a surprising amount of drama. This week Scott talks with Dr. Dan Mennill, a professor at the University of Windsor who wires whole forests with microphones to eavesdrop on the entire neighborhood at once, about what the dawn chorus is actually for, and what it means when it starts to thin out.

In this episode:

  • Why dawn, why so loud, and who gets to sing first (hint: it's not about who's the best singer)
  • What 16 microphones and kilometers of cable revealed about birds negotiating in real time
  • What happened when one field site went quiet, and why that quiet is louder than it sounds

Listen now, then tell us what your morning chorus sounds like.

All audio, video, and images in this episode are either original to Okay, But... Birds (© Okay Media, LLC) or used under license/permission from the respective rights holders. Bird media from the Macaulay Library is used courtesy of the Cornell Lab of Ornithology as follows:

  • Soundscape contributed by Wil Hershberger, ML516838
  • Black-throated Green Warbler contributed by Wil Hershberger, ML79475
  • American Redstart contributed by Wil Hershberger, ML100804
  • Tufted Titmouse contributed by Wil Hershberger, ML100712
  • Northern Cardinal contributed by Wil Hershberger, ML191165
  • Northern Flicker contributed by William V. Ward, ML3
  • Black-capped Chickadee contributed by Bob McGuire, ML197114
  • American Robin contributed by Bob McGuire, ML206448
  • Alder Flycatcher contributed by Mike Andersen, ML132247
  • Savannah Sparrow contributed by Gerritt Vyn, ML137843
  • Chipping Sparrow contributed by Wil Hershberger, ML534466
  • White-crowned Sparrow contributed by Bob McGuire, ML207181
  • Red-tailed Hawk contributed by David McCartt, ML229578

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Episoder(36)

Okay, but what's the deal with Darwin's finches?

Okay, but what's the deal with Darwin's finches?

E35. Eighteen species of small brown bird on a pile of volcanic rock have taught us more about how evolution actually works than almost anything else on Earth. Not because Darwin figured them out. He ...

13 Aug 36min

Okay, but what's the deal with nests?

Okay, but what's the deal with nests?

E34. Not all birds build one, but for the ones that do, a nest has a single job and a shockingly wide range of ways to get it done. Dr. Vanya Rohwer, Curator of Birds and Mammals at the Cornell Univer...

6 Aug 29min

Okay, but how do birds handle a heatwave?

Okay, but how do birds handle a heatwave?

E33. When the air temperature climbs past a bird's own body temperature, staying cool stops being free and starts to cost them water they may not have. Dr. Blair Wolf, University of New Mexico, has sp...

30 Jul 26min

Okay, but how does wildfire smoke impact birds?

Okay, but how does wildfire smoke impact birds?

E32. Wildfire smoke is blanketing more of the map every year, and it turns out a smoky sky changes everything for birds, from how they breathe to whether we can find them at all. Dr. Olivia Sanderfoot...

23 Jul 31min

Okay, but did birds invent music?

Okay, but did birds invent music?

E31. If a bird sings a phrase worthy of Beethoven, is that music, or just biology in a nice outfit? Dr. Hollis Taylor, a violinist, composer, and ornithologist, has spent more than two decades recordi...

16 Jul 29min

Okay, but what's it like as a bird at the top of the world?

Okay, but what's it like as a bird at the top of the world?

E29. Standing at 11,000 feet, lungs burning, Scott watched birds go about their afternoon in the exact thin air that had nearly taken him out. This week he sits down with Dr. Chris Witt, evolutionary ...

2 Jul 34min

Okay, but does easy living make birds dumber?

Okay, but does easy living make birds dumber?

E28. A bird's brain is the most expensive thing it owns, and evolution doesn't hand one out for free. Dr. Carlos Botero, Associate Professor at the University of Texas at Austin, has spent a decade tr...

25 Jun 32min

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