Palaeocastor was a gigantic beaver In making dams, it was an overachiever It chewed down stout trees With consummate ease Turning today’s beavers into unbelievers.
A mammoth of considerable size Was really an elephant in hairy disguise With tusks that were too long Making love just felt wrong As a lady mammoth very quickly surmised.
Smilodon was a saber-toothed cat Who ate muscle, gristle, bone, and fat Its size, to be male Was the same as female And their teeth were quite pointed, not flat.
Some dinosaur diggers Down Under Were looking for old bones to plunder In Cretaceous rocks They worked like bullocks Doing everything they could not to chunder.
(This limerick and the two preceding ones are in honor of the Dinosaur Dreaming dig site near Inverloch, Victoria in Australia.)
Flat Rocks is a place filled with bones But to find them, you have to crack stones A mammal jaw here Deserves a big beer You just have to break the right zones.
I am an ichnologist, someone who studies the traces and trace fossils left by life: tracks, trails, burrows, and other indirect signs of behavior. Modern and ancient traces alike interest me, as these lend insights on how behavior has changed through time (or not).