Observations on the Mississippi Kite in Southwestern KansasFitch, Henry S. (Henry Sheldon)
Science
Observations on the Mississippi Kite in Southwestern Kansas
Fitch, Henry S. (Henry Sheldon)
Birds -- Kansas; Mississippi kite
The small nestlings are generally silent, but when handled or
otherwise disturbed, they give soft lisping peeps. By early August,
when the young have ventured from the nest bowl to nearby branches,
they become vocal and their calls can be heard more often than those
of the adults. The call of the adult has been well rendered by Sutton
(1939:43) with the syllables "phee phew"--a whistle in which the first
syllable is short (lasting only about one-fourth of a second) with a
rising inflection, clipped off short, while the second syllable has a
downward inflection, and is drawn out to two or three times the length
of the first syllable. The call of the fledgling is soft, with a
lisping quality; that of the adult is much like it but is sharper and
more piercing. Fledglings call frequently while waiting to be fed, but
as an adult approaches with food, the calls are given in rapid
succession and slurred to a high thin squablike squeaking or
squealing.
When fledglings are able to fly and have left the nest, the adults
generally pass food to them directly, rather than dropping the
regurgitated mass, which might fall to the ground and be lost. On
August 22 a fledgling was seen following an adult in flight, and was
also seen to eat while it was flying. At this stage, when an adult fed
one young of a brood, the other would sometimes fly to the spot in an
attempt to share the meal. However, the transfer of food was usually
rapid and the adult would leave within a few seconds. Young often were
seen to fly out from the nest tree and maneuver in the vicinity,
flying in a roughly circular course perhaps 100 feet in diameter and
then returning to the nest tree, thereby familiarizing themselves with
their surroundings.
According to the consensus of published accounts, there are usually
two eggs per clutch, occasionally one or three. However, Ganier
(1902:89), who studied the species in Mississippi, wrote: "Of all the
nests I have examined [number unspecified] only one was found to
contain more than a single egg." Nice (1931:69) recorded 19 sets of
two each and seven of one each in Oklahoma. In the course of my
observations, 12 clutches of two were recorded. A group of four
fledglings were observed concentrating their activities at a nest more
than 200 feet from any other known nests; possibly all belonged to the
same brood, but this was not definitely determined.
Public-domain text, read in full here on John Shaqi.
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