Plotopteridae they became extinct. That they became extinct at the same time as the giant penguins of the Southern Hemisphere, which also coincided with the radiation of the seals and dolphins, has led to speculation that the expansion of marine mammals was responsible for the extinction of the Plotopteridae, though this has not been formally tested. Plotopteridae Plotopteridae is the name of an extinct family of flightless seabirds from the order Suliformes. Related to the gannets and boobies, they exhibited remarkable convergent evolution with the penguins, particularly with the now extinct giant penguins. That they lived in the North Pacific, the
Southern Kangaroo Island Marine Park (state waters) by the Southern Kangaroo Island Marine Park which is a marine protected area managed by the Australian government, on its southern side at the limits of state waters. As of 2016, the marine park has been classified under the IUCN system of protected area categories with the “restricted access zone” being Category Ia, the “sanctuary zone” being IUCN Category II and the “habitat protection zones” being IUCN Category IV. Southern Kangaroo Island Marine Park (state waters) Southern Kangaroo Island Marine Park is a marine protected area in the Australian state of South Australia located in state coastal waters adjoining both