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Monday, February 6, 2012

Holes in Bradford Pear


I just noticed these holes in the big Bradford pear in my yard.

They're regularly spaced, about a quarter-inch apart, forming lines every five inches or so from about a foot above the ground as high as I could see-- and they are only on the southern half of the trunk, and on just one of the several trunks:



I was pretty sure a woodpecker was at work (an alternative would have been some sort of insect emerging from the holes), but the photo below of a burr oak at Hidden Springs State Park in Illinois persuade me to the former hypothesis. They were made by a sapsucker.

Sapsuckers eat sap which contains occasional insects. That, I think, explains the regularity of the holes.


2 comments:

  1. The holes were likely from Yellow-bellied Sapsucker... Seriously.

    ReplyDelete
  2. We'll, I'll be a dadblasted yellow-bellied sapsucker!

    ReplyDelete

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