FUENTE DE PIEDRA, SPAIN - JULY 19:  Volunteers walk in a line to gather flamingo chicks on July 19, 2014 in Fuente de Piedra, Spain. Fuente de Piedra lagoon is a natural reserves with more than 170 different species recorded and one of the main breeding grounds for Flamingos in Iberian Peninsule. Hundreds of flamingo chicks are tagged and checked to record the evolution of the species.  (Photo by Pablo Blazquez Dominguez/Getty Images)