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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences > Vertebrates > Birds (ornithology)
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The Ostrich Communal Nesting System (Hardcover)
Loot Price: R2,294
Discovery Miles 22 940
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The Ostrich Communal Nesting System (Hardcover)
Series: Princeton Legacy Library
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As the study of cooperative breeding systems expands, a number of
key species form the examples that underpin our general
understanding. The ostrich is increasingly becoming such a textbook
species, on the basis of the results obtained in Brian Bertram's
study of vigilance and egg discrimination in this extraordinary
bird. Here Bertram presents new data on the ostrich communal
nesting system, in which several females lay in one female's nest,
with only one female and the male doing all the work. The Ostrich
Communal Nesting System unravels the basis of the cooperation
observed, and explains how a system involving apparent altruism is
maintained by natural selection. It is now possible as never before
to explain and quantify the effects of the different choices these
birds make and to integrate ecological and morphological factors
such as predation and size. Based on three seasons of study in
Tsavo West National Park in Kenya, this book depended on
recognizing individual birds, detecting and monitoring
well-concealed nests, determining motherhood of eggs from their
surface appearance, and time-lapse photography of nests. Key
findings were that females could switch rapidly between
reproductive strategies, that a nesting female could recognize her
own eggs and when necessary discriminate against those of other
females, and that the whiteness of ostrich eggs is an adaptation
that protects them against overheating but at the cost of greater
vulnerability to predation. Originally published in 1992. The
Princeton Legacy Library uses the latest print-on-demand technology
to again make available previously out-of-print books from the
distinguished backlist of Princeton University Press. These
editions preserve the original texts of these important books while
presenting them in durable paperback and hardcover editions. The
goal of the Princeton Legacy Library is to vastly increase access
to the rich scholarly heritage found in the thousands of books
published by Princeton University Press since its founding in 1905.
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