505K views · 10K reactions | These animals could disappear from the wild before our very eyes. | BBC Earth | Facebook

22K views · 689 reactions | All of these shark species are extinct, except the Great White Shark, far left. 麗 An incredible display at the Florida Museum of Natural History, with Big megalodon at the front. | Dr Dean Lomax - Palaeontologist | Facebook

The last of our #CephalopodAwareness Days is #FossilDay. Ammonites are extinct cephalopods that you can find fossils of all around the world, including parts of Britain's coastline. But if you can't go on a fossil hunt right now, why not start a collection of salt dough specimens at home instead? | Natural History Museum, London