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.
The Best Foods to Feed Your Parrot. These birds need foods from the bread/cereal, vegetable and protein (meat) groups - just as humans do. Dairy products aren't necessary, although some owners do feed them to their birds in small amounts. Fruit is mostly sugar and supplies few essential nutrients to birds.