Territory in Bird Life
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In our eReader you can find the full English version of the book. Read Territory in Bird Life 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 Territory in Bird Life
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To quickly assess the difficulty of the text, read a short excerpt:
I watched a flock of upwards of one hundred on some derelict ground approxi- mately eight acres in extent. Here, in May, the birds were attracted by the seeds of Stellaria media which was growing in profusion. After 5 A.M. there was continuous traflic between this piece of ground and the surrounding neighbour- hood, a constant arrival and departure of single individuals or pairs ; and, as they fed, the sexual note could be heard in all directions. Now some of the males occupied territories clos...e at hand, and one could watch their passage to and fro ; RELATIONSHIPS IN THE ENVIRONMENT .127 yet in no single instance did I hear the true song uttered on the feeding ground, although the moment a male returned to its territory its monotonous croak could be heard, uttered more- over with that persistence which is so marked a feature of all song or of the sounds that correspond to it.
Thus it will be seen that, even after the internal organic changes have taken place, the instinct of song is not susceptible to stimulation at all times and under all circum- stances, but only at certain specified times and under special circumstances which can be observed to correspond with the occupation of the territory.
What to read after Territory in Bird Life?
You can find similar books in the "Read Also" column, or choose other free books by Howard, Henry Eliot, 1873-1940 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
I watched a flock of upwards of one hundred on some derelict ground approxi- mately eight acres in extent. Here, in May, the birds were attracted by the seeds of Stellaria media which was growing in profusion. After 5 A.M. there was continuous traflic between this piece of ground and the surrounding neighbour- hood, a constant arrival and departure of single individuals or pairs ; and, as they fed, the sexual note could be heard in all directions. Now some of the males occupied territories clos...e at hand, and one could watch their passage to and fro ; RELATIONSHIPS IN THE ENVIRONMENT .127 yet in no single instance did I hear the true song uttered on the feeding ground, although the moment a male returned to its territory its monotonous croak could be heard, uttered more- over with that persistence which is so marked a feature of all song or of the sounds that correspond to it.
Thus it will be seen that, even after the internal organic changes have taken place, the instinct of song is not susceptible to stimulation at all times and under all circum- stances, but only at certain specified times and under special circumstances which can be observed to correspond with the occupation of the territory.
What to read after Territory in Bird Life?
You can find similar books in the "Read Also" column, or choose other free books by Howard, Henry Eliot, 1873-1940 to read onlineMoreLess
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