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Yes
that is entirely typical. Did I ever mention on this line (I think I did) the
mostly decomposed skeleton of a BsK that I found several years ago beside the JW
hide adjacent to the river, it had an equally mostly decomposed skeleton of the
back half of a mouse half way down its throat. They mostly eat their mouse head
first.
Philip
At JWNR this morning I was
discussing with the ranger what the hunting pair of BSKs were feeding on, only
to come on the evidence a few minutes later. The bird has both nictitating
membranes fully closed for the swallow.
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