[cobirds] Can Magpies save us from Jap Beetles?

Surely not, but some are trying.  2 days in a row I happened

to witness a family of 4 making a commotion around my

trellised grape vine.  The adults kept darting at the leaves, while

the youngsters were pecking at the ground.  (The default behavior

of the beetles when disturbed is to let go of the leaf and simply

drop to the ground (where my eyes can't find them, but birds surely

could).  

I see no other explanation besides their eating the beetles.  The grapes

themselves are still hard green, and there is no sign of broken clusters

on the ground.

David Gulbenkian  Crown Hill, Jeffco

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