Life histories of North American shore birds, Part 1 (of 2)Bent, Arthur Cleveland
Science
Life histories of North American shore birds, Part 1 (of 2)
Bent, Arthur Cleveland
Birds -- Behavior; Shore birds -- North America
The nest and eggs of the dowitcher are not yet known to science,
nor has the species been seen in summer at any place where it was
probably breeding. The dowitcher is a common migrant on the coasts
of New Jersey, New York, Rhode Island, and Massachusetts, and in
fall is sometimes very abundant. Farther north its numbers
decrease: New Hampshire, tolerably common in fall, no spring
records; Maine, tolerably common spring and fall; Quebec, rare
migrant; New Brunswick, no records; Nova Scotia, once (Sharpe);
Prince Edward Island, once; Ungava, a few in August, 1860, at
Henley Harbor (Coues), one June 10, 1883, at Fort Chimo (Turner).
North of Ungava, the only record is that of a single accidental
occurrence at Fiskenaes, Greenland (Reinhardt). Evidently the
dowitcher does not breed in any numbers, on the eastern coast of
Ungava. The probability that it does not breed there at all is
strengthened by the fact that several first-class observers, who
during the fall migration were in the Gulf of St. Lawrence, did not
see any of the birds. It undoubtedly does not go into northeastern
Keewatin and the islands of the Province of Franklin, for it is not
reported by the various expeditions that have traveled and wintered
in those districts, while the specimens taken on the west coast of
Hudson Bay belong to the form called scolopaceus. The only district
left for the breeding ground is the interior of Ungava and the
eastern shore of Hudson Bay.
W. E. Clyde Todd, who has probably done more field work than anyone else
on the east coast of Hudson Bay, writes to me:
Replying to your query about the dowitcher, it is my opinion that
this species does not breed in the interior of northern Ungava, but
I admit I have nothing to prove it one way or the other. It seems
to me, though, that if it did breed there, it would be far more
common than it is at the southern end of James Bay in migration,
instead of being one of the rarer kinds. I never saw it anywhere
north of this part, but then I have not been in northern Ungava in
the breeding season.
Turner's record of a single bird at Fort Chimo, on June 10, 1883, seems
to be the only peg on which to hang the Ungava theory; and this may have
been a straggler. The Alberta birds are somewhat intermediate; and
probably typical _griseus_, if there is any such thing, will be found
breeding somewhere in the muskeg regions of central Canada between
Alberta and Hudson Bay.
There are several sets of dowitcher's eggs in collections, from this
general region, collected in 1903 and 1906, which have been looked upon
with some suspicion; one came from Hayes River Flat, 25 miles north of
55°, one from just south of Little Slave Lake, and three from Little Red
Deer River, Alberta. Now that the dowitcher has been definitely shown to
breed in Alberta, these records look authentic.
Public-domain text, read in full here on John Shaqi.
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