Category Archives: Bill’s Notes

Signs of Spring 5: Turkey Vultures!

(Click here to listen to an audio version of this blog!) Almost every evening for the past two weeks Deborah and I have watched a flock of vultures circling over the trees just to the north and west of our … Continue reading

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Signs of Spring 4: Natural History of the White Pine

(Click here to listen to an audio version of this blog!) A couple of years ago I was standing in Cook Forest in front of the “Longfellow Pine.” There was no marker or sign that told me that this was … Continue reading

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Signs of Spring 3: Coyote America!

(Click here to listen to an audio version of this blog!) I first came in contact with coyotes in 1970 during my freshman year at Texas Tech. One of my professors had an on-going project examining coyote stomach contents that … Continue reading

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The Pandemic: Some Things to Know About COVID-19

COVID-19 I have had a number of people ask me about the coronavirus pandemic. I have put together this list of major points. If you have questions about COVID-19 please go to the most authoritative web sites for information and … Continue reading

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Signs of Spring 2: The Air Around Us!

  (Click here to listen to an audio version of this blog!) Almost every afternoon my friend Carl and I go for a walk usually on the Apollo section of the Roaring Run hiking trail. We’ve agreed on a few … Continue reading

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Signs of Spring 1: The Winter Cold (or Not)!

(Click here to listen to an audio version of this blog!) When we have a very cold winter, I often hear words of comfort from friends and acquaintances: “These cold temperatures, at least, will kill the ticks and fleas!” and … Continue reading

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Signs of Winter 11: Natural History of a Northern Red Oak

(Click here to listen to an audio version of this blog!) I have seen  many northern red oaks (Quercus rubra) along the hiking trails of Western Pennsylvania. Their very distinctive, vertically striped bark helps to them to stand out even … Continue reading

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Signs of Winter 10: The Biodiversity Hypothesis and the Wonder of Soil!

(Click here to listen to an audio version of this blog!) When I was in graduate school at SUNY-ESF there was a large, on-going project involving the use of sewage sludge as a forest soil amendment.  One ESF professor was … Continue reading

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Signs of Winter 9: New Ideas on the Evolution of Land Plants

(Click here to listen to an audio version of this blog!) The Earth is about 4.5 billion years old. Life began on Earth (best guess) about 3.5 billion years ago. The first organisms were bacteria: very simple entities on the … Continue reading

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Signs of Winter 8: The Great Backyard Bird Count (2020)

(Click here to listen to an audio version of this blog!) Starting next Friday (February 14th) and running until the next Monday (February 17) the Cornell Laboratory of Ornithology, the National Audubon Society and  Birds Studies Canada are sponsoring their … Continue reading

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