Christmas decoration bells. A bow is usually used at the top or bottom, and an electric or unlit candle may be placed in the middle. Christmas lights are often used, and they may be hung from door or windows, and sometimes walls, lampposts and light fixtures, or even statuary. Since the 19th century, the poinsettia, a native plant from Mexico, has been associated with Christmas. In North and South America, Australia, and Europe, it is traditional to decorate the outside of houses with lights and sometimes with illuminated sleighs, snowmen, and other Christmas figures. Municipalities often sponsor decorations as well. Christmas banners
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