Scientists have discovered what could be the first known smooth hammerhead shark nursery in the Galápagos. The vulnerable shark species – so-called for its elongated head which forms a straighter curve than the scalloped hammerhead – is rarely spotted in the marine reserve. But after observing several young pups in a small bay at Isabela Island, the Greenpeace expedition team believe they have found a breeding ground in the archipelago – and they’re rightly excited. “This is an amazing discovery!” says lead scientist Alex Hearn from Universidad San Francisco de Quito in Ecuador and marine cons…