hatching at ICF, this chick was nicknamed "Torque" by
caretakers, but her real and only official name is DAR 40-07.
She was released on Necedah NWR the evening of Oct. 30 together
DAR 37-07, 42-07, and 44-07. She stayed
close to familiar areas and roosted in the day pen marsh with DAR
#39-07, DAR 43-07 and female adult Whooping Crane #102. Will she
follow adult #102 on migration? We will wait and see!
DAR chicks #40-07, 37-07, 39-07, 42-07, 43-07, and 44-07 roosted
with adult #102 on the night of Nov. 5. That's a good sign that
maybe they'll follow her south!
29 in Illinois. Click to enlarge.
ICF Tracking Team
Migration South: Nov.
6, 2007: The group of 6 DAR chicks joined Whooping Cranes #309
and 403 and sandhill
cranes at another
spot on Necedah NWR. Several other adult Whooping Cranes and
about 200 sandhill cranes were also nearby. And then the 6
young DAR birds did a surprising thing: they began migration,
themselves and with no adult whooper or sandhill crane to lead
the way! The chicks took off in 20 mph NNW winds under partly
cloudy skies. They flew south 214 miles and roosted in
a small pond in a harvested cornfield in Peoria County, Illinois. They
resumed migration Dec. 5 after their roost pond became frozen.
With tailwinds, they flew 167 miles to
Clinton County, Illinois. (See
December 11, 2007, the six off-course cranes were captured and
moved to Tennessee by the ICF tracking team. Now they can easily
find cranes to follow. DAR
40-07 separated from the other DAR chicks
on Dec. 13 and stayed with wintering sandhills in Franklin County,
a while before moving to her final wintering location in Obion
2008 and First Unassisted Migration North: DAR
#40-07 became the first Hatch Year 2007 chick to head north! She
County, Tennessee on March 1 or 2. By March
12 she was
State Fish & Wildlife Area in northwestern
she stayed until late April. This
is a major migration stopover for sandhills and Whooping Cranes.
She is traveling with thousands of sandhills, and is less than
360 miles away from the Necedah
National Wildlife Refuge in Wisconsin, She was still at this
stopover as of April 21, but on
April 27, PTT data indicated that she was in
Michigan. By May 5 she
had moved to Allegan County, Michigan. The
WCEP team did not try to capture and retrieve #40-07 (like they
did with the other DAR birds in Michigan) because she was with
sandhill cranes and they would not have been able to get to her
before she took flight with the other startled cranes.
readings on the night of September 29 indicated she was still in
2008: She was alone,
not with sandhills, at a small pond in Allegan County,
Michigan, on November 17. High-precision PTT readings specifying
this location continued
to be received for 5 different nights (19 November - 3 December),
even after the pond was frozen and the landowner no longer
saw the bird. A ground search was conducted on 6-8 December
6-8, when the area was under 1.5 feet of snow. No evidence
of #40-07 was found. Trackers suspect she has died.
Confirmed March 9, 2009: The
landowner in Allegan County, MI (where this crane was last observed
on November 17) found
scattered remains and destroyed PTT.
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