[TN-Bird] Whooper good news, bad news
- From: "David Aborn" <David-Aborn@xxxxxxx>
- To: "TN-Bird" <tn-bird@xxxxxxxxxxxxx>
- Date: Fri, 15 Apr 2005 10:13:32 -0400
The following information came from the Operation Migration website
yesterday. The good news is that numbers 211 and 217 have been seen nest
building at Necedah National Wildlife Refuge, only a short distance from
where they were trained to follow the ultralights. 213 and 218 have begun
building their nest near the site 2 training area. There are others that
have pair-bonded, but this is the first indication that breeding may take
place sooner than expected. This encouraging news must be tempered with the
realization that inexperienced birds often make poor parents, and that it
may take a year or two before they successfully raise a chick. Nonetheless,
the Tracking Team will keep a close watch from a safe distance.
Not quite as encouraging is the report that number 106 was seen copulating
with a Sandhill crane on April 10. This bird, along with number 107, who
spends every summer in Horicon Marsh NWR, have a history of keeping company
with Sandhills. During early training at Patuxent Wildlife Research Center
the chicks are penned next to adult Whooping cranes that serve as sexual
imprint models. They also use recordings of adult birds to reinforce this
conditioning and ensure they don't suffer an identity crisis. Both of these
birds are from the first year, and did not have the benefit of interaction
with the previous generations that now hang around the training sites each
summer.
David Aborn
Chattanooga, TN
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