Tree "Coffea arabica" and "Coffea canephora", are processed to extract the coffee beans. In many rural areas of the world, fruit is gathered from forest trees for consumption. Many trees bear edible nuts which can loosely be described as being large, oily kernels found inside a hard shell. These include coconuts ("Cocos nucifera"), Brazil nuts ("Bertholletia excelsa"), pecans ("Carya illinoinensis"), hazel nuts ("Corylus"), almonds ("Prunus dulcis"), walnuts ("Juglans regia"), pistachios ("Pistacia vera") and many others. They are high in nutritive value and contain high-quality protein, vitamins and minerals as well as dietary fibre. Walnuts are particularly beneficial to health and contain
Grey-green fruit dove Grey-green fruit dove The grey-green fruit dove ("Ptilinopus purpuratus") is a species of bird in the family Columbidae. It is endemic to the Society Islands in French Polynesia. Its natural habitat is subtropical or tropical moist lowland forests. The grey-green fruit dove is endemic to the French Polynesian islands of Tahiti and Mo'orea. There is an estimated population of 5,000 to 10,000 mature individual birds on the two islands, of which 5,000 - 6,000 live on Mo'orea, at an estimated density of 2-3 birds per hectare. In 1907, the grey-green fruit dove was reportedly very abundant on the two islands.