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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from The Voyage of the Beagle by Charles Darwin: to explain the origin of the cuckoo laying its eggs in
other birds' nests. M. Prevost alone, I think, has thrown
light by his observations [9] on this puzzle: he finds that the
female cuckoo, which, according to most observers, lays at
least from four to six eggs, must pair with the male each time
after laying only one or two eggs. Now, if the cuckoo was
obliged to sit on her own eggs, she would either have to sit
on all together, and therefore leave those first laid so long,
that they probably would become addled; or she would have
to hatch separately each egg, or two eggs, as soon as laid:
but as the cuckoo stays a shorter time in this country than
The Voyage of the Beagle |
