Author Archives: hw7

Signs of Spring 11: Predators

(Click here to listen to an audio version of this blog!) The interaction of large carnivores with small and medium sized carnivores was explored in a wildlife population study conducted by Penn State University researchers (Penn State News, August 8, … Continue reading

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Signs of Spring 10: Bees and Herbicides and Pesticides, Bats and Viruses

(Click here to listen to an audio version of this blog!) Glyphosate is the active ingredient in the herbicide Roundup, and, not surprisingly, it is the most widely used herbicide in the world. Glyphosate functions by inhibiting the activity of … Continue reading

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Signs of Spring 9: Sycamore Trees

(Click here for an audio version of this blog!) The Ohio State University campus is a beautiful place to walk and wander, and I did a lot of each back when I did my Master’s degree there. One place on … Continue reading

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Signs of Spring 8: Nests

(Click here to listen to an audio version of this blog!) Over the past five years Deborah and I have gotten very familiar with many types of birds’ nests. Working with the Cavity Nesting Team at Harrison Hills Park we … Continue reading

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Signs of Spring 7: The Cicadas Are Coming!

(Click here for an audio version of this blog!) Every seventeen years the quiet parks and forests of Western Pennsylvania explode with sound. Over a four or five week period in May and June periodical cicadas (also called “seventeen year … Continue reading

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Signs of Spring 6: Mourning Cloaks, Commas and Spring Azures!

(Click here for an audio version of this blog!) Last spring (Signs of Spring 3, March 15, 2018) I talked about the evolution of the Lepidoptera (butterflies and moths). Fossilized lepidopteran wing scales have been dated to over 200 million … Continue reading

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Signs of Spring 5: Early Spring on Rock Furnace Trail

(Click here to listen to an audio version of this blog!) Deborah and I went down to the Rock Furnace trail last Saturday around noon. It was cloudy but warm (65 degrees) and quite humid. The weather forecast was for … Continue reading

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Signs of Spring 4: Bumblebees and the Pursuit of Happiness (and More!)

(Click here to listen to an audio version of this blog!) Emotions are hard to quantify and have been a difficult area of research in non-human subjects. Long standing cautions against anthropomorphic explanations or descriptions in animal behavior studies have … Continue reading

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Signs of Spring 3: Living in Groups

(Click here for an audio version of this blog!) There are many names for groupings of animals. A “herd” is usually a group of mammals with some sort of hierarchy and intra-group communication system. A “flock” is a similar type … Continue reading

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Signs of Spring 2: Daylight Savings Time

(Click here to listen to an audio version of this blog!) Last weekend we changed over to Daylight Savings Time (DST). The “spring ahead” change in our clocks does nothing to alter the total amount of daylight we get in … Continue reading

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