
Rhinoceros Sudan, the last male Northern white rhino who lived in Kenya, due to massive poaching Sudan was protected by armed guards around the clock, he was euthanized after suffering from age related complications, the species is extinct.
Killer whale Tilikum, a male orca who was captured near Iceland at the age of two, spent most of his life at SeaWorld in Florida, USA. During his captive life he killed three people, amongst them his female trainer, he died of a bacterial lung infection at the age of thirty six in captivity.
Octopuses are highly intelligent creatures. They can complete puzzles, untie knots, open jars, toddler proof cases and are expert escape artists from aquariums, their intelligence stems from a completely unrelated path to human intelligence which makes them true aliens. Like all marine animals, they are seriously threatened by pollution, overfishing and habitat loss, the Coral Reefs around the world are under threat due to factors including global warming and acidification of seawater.