A breeding pair of Carpodacus mexicanus , also known as house finches. The house finch , Carpodacus mexicanus , is a little passerine bi...

Man.  April was intense.  I don't know what happened, but I'm sure at least a few of you noticed my complete lack of blogging for pr...

Discovery of the "grand animal", Mosasaurus hofmani , at Maastricht.  Engraving by G. R. Levillaire, from Wikimedia Commons . ...