Visit a Magellanic and Gentoo penguin rookery on Martillo island and explore Estancia Harberton on this 6-hour tour from Ushuaia. With a naturalist guide, view the nearly one thousand nests and see the penguins go about their daily life. Admire other bird life like skúas, petrels, cormorants, vultures and South American terns. Back on the main land, enjoy free time at the traditional Estancia Harberton to walk through the gardens and visit the historic buildings. Round-trip transportation from downtown Ushuaia is included.