Nick, a dog dressed in carnival regalia, is seen during the “Blocao” dog carnival in Rio de Janeiro, Brazil, Sunday, February 16, 2014. About 100 dogs have had their day at a pre-Carnival bash in Rio de Janeiro. A 10-man brass band and a singer belting out Rio's anthem song “Cidade Maravilhosa” (Marvelous City) kicked off the four-footed fest as dog owners gathered to party down with pooches on Copacabana beach Sunay. (Photo by Silvia Izquierdo/AP Photo)

A dog sniffs at “Fuleco”, the official mascot of the 2014 FIFA World Cup, during the “Blocao” dog carnival in Rio de Janeiro. (Photo by Silvia Izquierdo/AP Photo)

A man and his cat attend the “Blocao” dog carnival in Rio de Janeiro, Brazil, Sunday, February 16, 2014. (Photo by Silvia Izquierdo/AP Photo)

A dog dressed in bunny ears is seen during the “Blocao” dog carnival in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

Dogs stand next to “Fuleco”, the official mascot of the 2014 FIFA World Cup, during the “Blocao” dog carnival in Rio de Janeiro. (Photo by Silvia Izquierdo/AP Photo)

A dog in a fancy hat is seen during the “Blocao” dog carnival in Rio de Janeiro . (Photo by Silvia Izquierdo/AP Photo)

A multicolored painted poodle is seen during the “Blocao” dog carnival in Rio de Janeiro. (Photo by Silvia Izquierdo/AP Photo)

A woman holds up her dog Nick during the “Blocao” dog carnival in Rio de Janeiro. (Photo by Silvia Izquierdo/AP Photo)

A dog dressed like of a bee is seen during the “Blocao” dog carnival in Rio de Janeiro. (Photo by Silvia Izquierdo/AP Photo)

A dog dressed as Mickey Mouse takes part in the animals' carnival parade “Blocao” at Copacabana in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

A dog dressed up in a wig is seen during the “Blocao” dog carnival in Rio de Janeiro. (Photo by Silvia Izquierdo/AP Photo)

Dogs dressed in flowers in Brazil's national colours, attend the animals' carnival parade “Blocao” at Copacabana in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

A dog wears pink sunglasses at the animals' carnival parade “Blocao”, at Copacabana in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

A dog takes part in the animals' carnival parade “Blocao”, at Copacabana in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

A dog, which wears Brazil's national t-shirt juggles a ball at the animals' carnival parade “Blocao”, at Copacabana in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

A dog dressed as superman attends the animals' carnival parade “Blocao” at Copacabana in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

About 100 dogs have had their day at a pre-Carnival bash in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

A 10-man brass band and a singer belting out Rio's anthem song “Cidade Maravilhosa” (Marvelous City) kicked off the four-footed fest as dog owners gathered to party down with pooches on Copacabana beach. (Photo by Christophe Simon/AFP Photo)

A dachshund in full national Brazilian outfit takes part in the animals' carnival parade “Blocao” at Copacabana in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)

A cat in a hat attends the animals' carnival parade “Blocao” at Copacabana in Rio de Janeiro. (Photo by Christophe Simon/AFP Photo)