Why does each of them look like they are caught between a sneeze and laughing? That last one's nose really gets to me. It reminds me of one of my kids' spikey play-toys.
BTW, you can click on each of the 'Photo' links to get more species information on each of these four beasties.
Thanks for the links, Clare.
Photo credit: Alex Borisenko, via the Royal Ontario Museum and LiveScience.com

Photo credit: Alex Borisenko, via the Royal Ontario Museum and LiveScience.com

Photo credit: Alex Borisenko, via the Royal Ontario Museum and LiveScience.com
Photo credit: Alex Borisenko, via the Royal Ontario Museum and LiveScience.com
