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.
Stickfast flea life history. The complete life cycle of the flea takes about four weeks, varying according to the temperature. The female fleas lay at night while attached to the bird, and the very small eggs fall to the ground. In about four days, small wormlike larvae emerge from the eggs. The larvae feed on organic material, mainly the dried blood excreted by the adult fleas, and shelter in the surface dust and litter on the soil. After several moults, they grow to about 3 mm, cease to feed and burrow down into the soil to a depth of about 15 cm.