On the Misdeeds of the House Sparrow Passer Domesticus
On the Misdeeds of the House Sparrow Passer Domesticus
J H John Henry Gurney
The book On the Misdeeds of the House Sparrow Passer Domesticus was written by author J H John Henry Gurney Here you can read free online of On the Misdeeds of the House Sparrow Passer Domesticus book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is On the Misdeeds of the House Sparrow Passer Domesticus a good or bad book?
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" And why have not insects multiplied at Colonel Russell's place in Essex, where, for many years, Sparrows were rigorously kept down, in fact almost exterminated ? The reason must be that the caterpillars are eaten by other small birds, such as Chaffinches, Greenfinches, and Yellow- Hammers^ and by a host of Warblers and other birds which visit this country for the summer, when insect- life in all its stages is rampant. It is all very well to suppose that by eating fourteen flies a Sparrow disp...oses of their subsequent progeny to the tune of 280, 000, 000; but we know what these calculations, which look so prodigious on paper, are worth. Under ordinary conditions, how many of the two hundred million flies would reach maturity ? per- haps very few, or none at all. It is a shame to see how the pretty House-Martins are decreasing in this country at the hands of the Sparrows, which dispossess them of their nests. There is hardly a country-place where this has not gone on at some time or other, although it has never happened to Mr.
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