The lifespan of asphalt shingles depends highly upon the environment. Shingles in cooler climates such as the northern United States seem to last longer than those installed in the warmer climates. Studies have shown that the average lifespan for a 20 year shingle in Phoenix, Arizona is around 14 years. In Minneapolis, Minnesota the lifespan was 19.5 years.
Parrots can eat various berries, mangos, papayas, plums, pomegranates and apples, among other fruits. However, the seeds and pits of fruits should always be removed, because they can be toxic to parrots. In general, choose bright, colorful fruits high in vitamin A. Continue Reading.
Parrots are found in all the worldâs tropical rain forests. Those same forests are also home to creatures that eat parrots. The main predators, or natural enemies, of parrots are birds of prey, such as hawks, owls and eagles, and large snakes such as pythons and boa constrictors.