The Experimental Method of Testing the Efficiency of Warning And Cryptic Coloration in Protecting Animals From Their Enemies
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In our eReader you can find the full English version of the book. Read The Experimental Method of Testing the Efficiency of Warning And Cryptic Coloration in Protecting Animals From Their Enemies Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Experimental Method of Testing the Efficiency of Warning And Cryptic Coloration in Protecting Animals From Their Enemies
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To quickly assess the difficulty of the text, read a short excerpt:
Experiments in America.
Unfortunately, the natural food habits of many of the Indian, " Proc. Zool. Soc. Lond., September, 1911, p. 745.
332 PROCEEDINGS OF THE ACADEMY OF [June, African, and British birds experimented with are not well known, for the selectionists have exaimined very few stomachs of wild birds.
This method is more arduous and does not pile up results so hand- somely as do experiments. But it is, nevertheless, in connection with the strictly correlated examination of contents of... other parts of the alimentary canal, and of pellets, and fseces (together with reUable records of individuals seen or collected with food in talon or beak), the only trustworthy method of learning what birds actually eat under natural conditions. And this information only is accep- table proof of the -tastes and food preferences of birds or, for that matter, of any other animals.
It is fortimate, therefore, that one series of experiments has been made the results of which can be closely checked with a satisfactory amount of exact information upon the food habits of the same species under natural conditions.
What to read after The Experimental Method of Testing the Efficiency of Warning And Cryptic Coloration in Protecting Animals From Their Enemies?
You can find similar books in the "Read Also" column, or choose other free books by W L Waldo Lee Mcatee to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Experiments in America.
Unfortunately, the natural food habits of many of the Indian, " Proc. Zool. Soc. Lond., September, 1911, p. 745.
332 PROCEEDINGS OF THE ACADEMY OF [June, African, and British birds experimented with are not well known, for the selectionists have exaimined very few stomachs of wild birds.
This method is more arduous and does not pile up results so hand- somely as do experiments. But it is, nevertheless, in connection with the strictly correlated examination of contents of... other parts of the alimentary canal, and of pellets, and fseces (together with reUable records of individuals seen or collected with food in talon or beak), the only trustworthy method of learning what birds actually eat under natural conditions. And this information only is accep- table proof of the -tastes and food preferences of birds or, for that matter, of any other animals.
It is fortimate, therefore, that one series of experiments has been made the results of which can be closely checked with a satisfactory amount of exact information upon the food habits of the same species under natural conditions.
What to read after The Experimental Method of Testing the Efficiency of Warning And Cryptic Coloration in Protecting Animals From Their Enemies?
You can find similar books in the "Read Also" column, or choose other free books by W L Waldo Lee Mcatee to read onlineMoreLess
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