What should be at the heart of the decision is whether or not vaccines can really benefit your pet. Depending on where you look, you will find very strong opinions on either side of the debate. While it used to be considered essential, more research is showing that our pets are not only getting too many vaccines, but also are often suffering side effects and not even developing immunity to the diseases they are vaccinated for.
Relative to its body size, the barnacle wins the award for biggest penis hands down. When extended to its maximum length, the barnacle penis can be up to 42 times the length of its body! This makes sense for an animal that is attached to a hard substrate as a sexually mature adult. There are times a barnacle needs an extra long penis to be able to reach another mate since it can't walk over and ask a potential mate to dance.