Penguin described as hailing from the Falklands. Opus was a comical, "existentialist" penguin character in the cartoons "Bloom County", "Outland" and "Opus". He was also the star in the Christmas show "A Wish for Wings That Work". In the mid-2000s, penguins became one of the most publicized species of animals that form lasting homosexual couples. A children's book, "And Tango Makes Three", was written about one such penguin family in the New York Zoo. Penguin Penguins (order Sphenisciformes, family Spheniscidae) are a group of aquatic, flightless birds. They live almost exclusively in the Southern Hemisphere, with only one species, the Galapagos
Hesperornithes Hesperornithes Hesperornithes is an extinct and highly specialized group of aquatic avialans closely related to the ancestors of modern birds. They inhabited both marine and freshwater habitats in the Northern Hemisphere, and include genera such as "Hesperornis", "Parahesperornis", "Baptornis", "Enaliornis", and "Potamornis", all strong-swimming, predatory divers. Many of the species most specialized for swimming were completely flightless. The largest known hesperornithean, "Canadaga arctica", may have reached a maximum adult length of over . Hesperornitheans were the only Mesozoic avialans to colonize the oceans. They were wiped out in the Cretaceous–Paleogene extinction event, along with enantiornitheans and all other non-avian dinosaurs,