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Migration and Homing in Animals (Paperback, Softcover reprint of the original 1st ed. 1975)
Loot Price: R2,743
Discovery Miles 27 430
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Migration and Homing in Animals (Paperback, Softcover reprint of the original 1st ed. 1975)
Series: Zoophysiology, 6
Expected to ship within 10 - 15 working days
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On being asked to write a book on migration and homing in animals,
intended as an introductory text to inform and stimulate both
students and non-specialists, I saw the following alternatives for
an outline: (1) I could discuss known or hypothetical mechanisms of
orientation, and enumerate animals known or thought to use these
mechanisms in migration and homing. (2) I could discuss the known
feats of orientation by animals under field observation (e. g.
migration), following some practic able order, with a subsequent
discussion of the attempts at and possible success in elucidating
the basic mechanisms of orientation. Both alternatives have obvious
disadvantages. (1) would suffer from the fact (a) that very few
orientation mechanisms (such as the sun, star, or magnetic compass)
have been firmly established and (b) that for many animals the
modes of orienta tion are unknown; therefore, for many animals
whose consider able feats of orientation are well known, an
appropriate alloca tion could not be made. With (2) the
disadvantage is that due to the complexity of animal movements, it
is difficult to find some relevant order and that in many animal
groups discussions of certain known mechanisms such as the sun com
pass would recur. I have selected outline (2) as the much lesser
evil. The discussion pursues a compromise between taxonomic order
and similarity in feats of orientation or methodological approaches
chosen by the various investigators."
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