Life histories of North American woodpeckersBent, Arthur Cleveland
Science
Life histories of North American woodpeckers
Bent, Arthur Cleveland
Birds -- North America; Woodpeckers -- North America
_Nesting._--The only nests of this race that I have seen were shown to
me by A. T. Wayne, on May 19, 1915, near Mount Pleasant, S. C. They
were in tall, dead pine trees (_Pinus taeda_) in a heavily forested
region of open, mixed woods. One was 43 feet from the ground; he had
taken three fresh eggs from this nest on April 24, 1915. The other
I estimated as over 60 feet up, but he said it was 80 feet from the
ground; it probably held young at that time, as both birds were much
in evidence and very noisy. Mr. Wayne told me that these two pairs of
birds had nested in this tract of timber for many years. He writes
(1910) regarding their nesting habits:
If the season is a forward one the birds mate early in
February and towards the latter part of the month begin
to excavate their hole, which requires exactly a month
for completion. During the month of March, 1904, I made
observations on a pair which excavated their hole in a
dead pine. On March 21, the opening was commenced by the
female, who drilled a small hole, and by degrees enlarged
it to the size of a silver dollar. The male assisted in the
excavation, but the female did by far the larger part of
the work. The size of the aperture was not increased until
necessary to admit the shoulders of the bird. I visited
these birds every day in order to note the progress of
their work, and, being so accustomed to seeing me, they
were utterly fearless and I could, at any time, approach
within twenty feet without hindering the work, although the
hole was only about thirty feet from the ground. This hole
was completed on April 21, and the first egg was laid the
following morning. * * * In this case the excavation was
made under a dead limb, and was about eighteen inches deep,
being hollowed out more on one side than the other. This
woodpecker is so attached to the tree in which it has first
made its nest that it continues to cling to it as long as
it can find a suitable spot at which to excavate a new
hole. It never uses the same hole a second time. I know of
a pair of these birds which resorted to the same tree for
four consecutive years, and each year they excavated a new
hole. * * *
If this bird is deprived of its first set of eggs, it at
once excavates a new hole, and the length of time consumed
in its construction is about twenty-five days. A curious
habit is that even when it is incubating or brooding
its young, this bird frequently taps in its hole as if
excavating.
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