Duck, duck, goal: bird dressed in Mexico’s World Cup jersey scores on social media

Images of Merlin, a two-year-old duck, parading on the streets of Mexico City celebrated by fans on social media

Julian Quinones and Raul Jimenez may have scored the goals, but a duck stole the show.

As Mexico celebrated its World Cup-opening victory over South Africa on Thursday, Merlin, a two-year-old duck dressed in the national team's colors, became an unlikely internet sensation and the tournament's first unofficial mascot.