David Dausey. David J. Dausey is an epidemiologist, professor and academic administrator. He is currently the Provost and Vice President for Academic Affairs at Mercyhurst University in Erie, Pennsylvania. He is also a Distinguished Service Professor of Health Policy and Management at Carnegie Mellon University in Pittsburgh, Pennsylvania.
First creature to walk on land 'dragged itself along' on two feet - like it was on crutches. One of the first creatures to walk on land didnât scamper gracefully out of the waves. Instead, the creature, known as Ichthyostega, would have hauled itself up on its front limbs like it was on crutches.
Gwydion Madawc Williams, Degree in Zoology plus a lot of reading. The Blue whale is the largest living mammal, and thought to be the most bulky animal ever. The African elephant is the largest living land mammal. But many extinct species were bigger. Paraceratherium, a long-legged and long necked relative of the rhinocerous, is often viewed as the largest ever - see Biggest Ever Land Mammal | Paraceratherium.