Sialia sialis

Astronomically, it’s still winter here in the mid-Atlantic, since the vernal equinox doesn’t happen until March 20 this year.  Some people believe in a thing called meteorological spring, which started March 1st*.  I don’t believe it.  I don’t think Mr. Bluebird does, either.  But we both seem to be looking forward to warmer weather, whenever it happens.

I wonder if someone at the Eli Lilly company had bluebirds in mind when thinking up a trade name for tadalafil.

*which is when I wrote this post; it was 25 F and snowing