Linda G. Hill

Brave, hardy birds, cardinals are. Today was cold and crisp – a pleasant 9 degrees C, (16 degrees F). I heard him singing first – they have a very distinctive song.

cardinal2

But the thing which has puzzled me for the past few weeks is this odd way the icicles have been forming… or leaning after they’ve formed. It seems they only do this if they begin above a window, so the only reason I can fathom is it has something to do with the heat from inside.

lean2

lean

The first is an east-facing wall, and the second is a north-facing wall, so the sun has nothing to do with it.

Any ideas?

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