Hi Hideta and others,
A few years ago I was offered a copy of Winter World, the ingenuity of animal survival, by Bernd Heinrich and published by HarperCollins in 2003.  It offers some interesting insights on how certain birds, kinglets in particular are able to survive when there seems  to be nothing to eat.  It also covers animal hibernators as well, but the section on kinglets is amazing.  I too was surprised and encouraged as I read Heinrich's accounts of work that he and his students have done in this area. Hope you can find a copy and enjoy!
Bill Rinehart
Bloomdale, Oh
Southern Wood Co

---- "Hideta Nagai wrote:
> Spent the morning on the trails at Prairie Oaks Metro Park.  I was surprised to find a GC Kinglet searching the bare branches for insects.  Seemed extremely late in the season to me.  Also saw two male towhees and one northern flicker.
>
> The normal list of suspects were present including several pairs of cardinals, numerous white-throated sparrows, about a dozen cedar waxwings, and many dozen robins.
>
> www.viewfinder.us
>
> Hideta Nagai
>
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