Christmas more widespread throughout Britain. By the 1870s, people in the United States had adopted the custom of putting up a Christmas tree. Christmas trees may be decorated with lights and ornaments. Since the 16th century, the poinsettia, a native plant from Mexico, has been associated with Christmas carrying the Christian symbolism of the Star of Bethlehem; in that country it is known in Spanish as the "Flower of the Holy Night". Other popular holiday plants include holly, mistletoe, red amaryllis, and Christmas cactus. Along with a Christmas tree, the interior of a home may be decorated with these plants, along
Christmas Island red crab fruits, flowers and seedlings, but will also feed on dead animals (including cannibalising other red crabs), and human rubbish. The non-native giant African land snail is also another food choice for the crabs. Red crabs have virtually no competition for food due to their dominance of the forest floor. Adult red crabs have no natural predators on Christmas Island. An exploding population of the yellow crazy ant though, which is an invasive species accidentally introduced to Christmas Island and Australia from Africa, is believed to have killed 10–15 million red crabs (one-quarter to one-third of the total population) in recent