Sunday, April 30, 2006

An Amphibious Chorus

Spring brings so many wonders of new life. The winter – as mild as it was – was long enough for one to appreciate just how magnificent spring is when it does arrive. As I have posted previously, each spring the chorus of northern spring peepers [Pseudacris crucifer] serenades us in the evenings. I could also hear another sound that for the longest time I mistook for a cricket. The peeper makes a fairly shrill peep. This other sound was a much softer and quite pleasant vibrating whistle.

Last summer at one of the meetings or conferences that we attended I picked up a CD entitled: “Natural Sounds of Ontario, Birds, Frogs and Mammals” by Monty Brigham. It is distributed by RMP Biological Ltd. C/o Monty Brigham, P.O. Box 1061, Manotick, ON K4M 1A9, Canada. Sale of the CD supports the activities of the Eastern Ontario Biodiversity Museum in Kemptville ON. See http://www.rmpbiological.pwo.ca/ for more details.

The CD is a compilation of 97 natural sounds. Through this CD I was able to determine that the sound that I thought was a cricket was actually an American Toad [Bufo Americanus]. According to Peterson Field Guide, Reptiles and Amphibians of Eastern/Central America, by Roger Conant and Joseph T. Collins, ISBN 0-395-90452-8, this toad is probably the most common in this area and we are located in the midst of its range. For some more local information on the toad see http://www.nature.ca/rideau/b/b3d-e.html. This toad has a voracious appetite for insects and other invertebrates which is great as we have lots.

So now when I go to sleep to the amphibious lullaby I will know who is performing.

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