A year containing an extra day. It has 366 days instead of the normal 365 days. The extra day is added in February, which has 29 days instead of the normal 28 days. Leap years occur every 4 years. 2016 is a leap year and so is 2020. Except that every 100 years special rules apply.
Best Answer: A average life span is about 1 year. Some live only 3 months, but others can live up to a couple of years. The lifespan of the average tick is about two years. Source(s): http://www.nyc.gov/html/doh/html/ehs/ehs... A fly is 3 days so i'm guessing somewhere around the lines of there.
The overall cycle can be completed in just over two months, but frequently will take longer if there are few hosts available or in cold temperatures. Ticks are notoriously long-lived, and can live as long as three to five months in each stage without feeding. In Florida, the cycle can occur year-round both inside houses and in outside kennels and dog runs. Figure 4. Female brown dog tick, Rhipicephalus sanguineus Latreille, laying eggs.