Football, also known as soccer, is the most popular sport worldwide. While it is not the top sport in the U.S it is played by over 250 million people in over 200 countries.

Soccer isn't only played by people, however. Animals such as elephants, penguins, otters, roosters, crawfish, monkeys, pigs, and angel fish have taken part in the sport for special events.

Young elephant 039Nelly039 kicks football during event to predict result of upcoming Women039s World Cup soccer match at safari-park in Hodenhagen
Young elephant 'Nelly' kicks a football with her keeper Sebatian Teske, during an event to predict the result of the upcoming Women's World Cup soccer match between Germany and Canada, at the safari-park in Hodenhagen, Lower-Saxony June 24, 2011. The 'elephant oracle' announced a German victory by 1-0. The Women's World Cup will be held in Germany June 26 -July 17 . Reuters
Young elephant 039Nelly039 kicks football during event to predict result of upcoming Women039s World Cup soccer match at safari-park in Hodenhagen
Young elephant 'Nelly' kicks a football during an event to predict the result of the upcoming Women's World Cup soccer match between Germany and Canada, at the safari-park in Hodenhagen, Lower-Saxony June 24, 2011. The 'elephant oracle' announced a German victory by 1-0. The Women's World Cup will be held in Germany June 26 -July 17 . Reuters
Crawfish fight for a miniature soccer ball filled with food in their tank at the Sea Life Aquarium in Berlin
Crawfish fight for a miniature soccer ball filled with food in their tank at the Sea Life Aquarium in Berlin, June 16, 2010. Ten crawfish were used in the promotional event for the aquarium on Wednesday. Reuters
Elephants decorated with the national flags of countries participating in the 2010 FIFA World Cup play with soccer balls at Bangkok039s Khao San road
Elephants decorated with the national flags of countries participating in the 2010 FIFA World Cup, which starts in South Africa on Friday, play with soccer balls in an event organized to promote tourism at Bangkok's Khao San road June 10, 2010. Reuters
Thai people and foreign tourists gather to see elephants play soccer at Bangkok039s Khao San road
Thai people and foreign tourists gather to see elephants play soccer in an event organized to promote tourism during the upcoming 2010 FIFA World Cup, at Bangkok's Khao San road June 10, 2010. Reuters
A goalkeeper tries to save the goal as an elephant scores during soccer match in Ayutthaya province,..
A goalkeeper tries to save the goal as an elephant scores during soccer match in Ayutthaya province, 80 km (50 miles) north of Bangkok Thailand June 22, 2006.The match to campaign against the soccer-gambling during World Cup 2006. Reuters
Elephants
According to joint research, poachers have killed more than 11,000 elephants in the small country since 2004 for their highly prized tusks. Reuters
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