Latest Episodes

Reptiles and Amphibians, Oh My!
Hmmm, a rambling reminiscence about amphibians and reptiles and of course to be continued, ‘cause here comes monsoon! The Sonoran Desert Toad, formerly the...

She Calls Me Peter
I was looking through photos that I’ve taken of this plant over the years and realized I even have 35 mm slides of Jatropha...
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The Story of the Yucca Moth
I’ve told the story of the yucca moths and the soaptree yuccas many times. I love to tell it when I give talks and...

Petey Does Mimosas
It was Linnaeus that created the name Mimosa from the Greek: mimos for mime and the suffix osa for resembling. And as to the...
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Mexican Stoneroller
The streams and pools of the Swisshelm, Chiricahua, Mule, Pedregosa, Perilla and Peloncillo mountains are part of the Rio Yaqui Drainage. Those water courses...

Desert Ironwood Festival
I love desert ironwood trees….love peering under them to see the plants they’re nursing …love the purple and white flowers and seed pods that...