There is some evidence to support that the antelope was once the first animal in the dictionary, until the ardvark arraigned to have a second ‘a’ added in front of its name. Ironically, the lama using the exact same scheme dropped down a few places behind the lemur, leopard, and lion.
Before the invention of Lithium, most polar bears were known as bipolar bears, which may account for many of the unexplained Eskimo deaths each year.
Veterinary medicine has come a long way. ‘Spaying’ use to refer to whacking dogs with a shovel during coitus to discourage mating. This technique is still used in some cultures by disgruntled wives.