- Ticks are second only to the mosquito as the most dangerous parasites to humans.

 - Rin Tin Tin was the first Hollywood dog star

 - The notion that dogs and cats are natural enemies (sugested by the phrase

 - In Oklahoma, dogs must have a permit signed by the mayor in order to congregate on private property in groups of three or more.

 - In Milwaukee, residents must keep pet elephants on a leash while walking them on public streets.