I think Céleste may be referring to the neat rows of holes that Yellow-bellied Sapsuckers drill in trees. The following pic isn't very good, but shows what I mean:amasara said:What do you mean by rows by yb?
CJW said:Got this Long-tailed Tit on his approach to one of the feeders this afternoon. Sorry about the grain, but the low light where I live (under the edge of a plantation) makes for difficult photography. I thought our American friends would like it - we get a flock of around 10 birds every afternoon.
Chris