biological crisis are. KEYWORDS Biological crisis, Extinction of species, environmental ecosystems, massive extinction, ecological niches, Industrial Era, greenhouses gases, global warming, sea level, co2 emissions, toxic wastes, Ocean acidification, ocean currents, UV and Infrared Radiations, Global temperature, deforestation, density and salinity of water, Ozone layer. INTRODUCTION Lot of researchers and scientists argue…
For other uses, see Parrot (disambiguation). Scarlet Macaws. One is eating using a foot to hold a walnut, while the shell is broken with its beak.Parrots are birds of the roughly 350 species in 85 genera that make up the order Psittaciformes, found in most warm and tropical regions. Also known as psittacines (pronounced /?s?t?sa?nz/),[1][2] they are usually grouped into two families: the Psittacidae (true parrots) and the Cacatuidae (cockatoos). Parrots have a pan-tropical distribution with…