Задание 39 ЕГЭ по английскому языку

If you are thinking of what pet to get, a parrot may be what you need. It is not very difficult to have a parrot as a pet. They are happy to eat fruits, nuts, seeds and buds. It is easy to find such food in pet shops, and it is not very expensive. Some parrot species from the South American continent have been observed to eat clay. They do so to flush out the toxins from their bodies which get into their system through the seeds that they feed on. There are also some parrots who feed on snails or insects, but they can't be bought in a pet shop. Parrots are also great as pets because they have a relatively long lifespan. It varies according to the species. Small ones can live for up to twenty years, whereas medium-sized ones may have a lifespan of thirty years. Big parrots can live more than a hundred years.