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Speculative Evolution not related to the Neocene
JOrnitho: After reading some articles about the Antropocene and the changes in natural life due to the climate change (such as this one: https://www.dailymail.co.uk/sciencetech/article-11444045/Meet-bizarre-hybrid-animals-soon-roam-Earth-climate-change.html), I thought about doing my own speculative idea for the future of Earth. I saw that the forum have a space for other project ideas, but since it's in Russian, I thought that would be better to leave this space here. The premise if that the humans became extinct (or left the planet, if following a more sci-fi path) due to catastrophic climate changes, which caused the melting of most of the polar ice capes and the collapse of the agriculture. The planktonic communities in the ocean declined, but not drastically like in the Neocene, allowing some marine mammals to survive. The corals that relied in zooxanthelas went extinct and the ocean level rised ro something similar to this map. Now 35 million years, the species that survived had evolved in new forms, while the sea level is slowly retroceding, signaling the arrival of an Ice Age. The continents changed their positions, with Central America mostly under water, with parts of it being islands. The Horn of Africa separated from the rest of the continent. Everyone is welcome to help with ideas for the continents and creatures living on them. And even giving the name for this period. I thought that could be a good place to suggest species that weren’t approved to join the Neocene, but that could suit elsewhere. So far, I thought that some marine survivors could be: -The last ballen whale, a descendant of the reproduction between blue whales and fin whales. These hybrids only survived because their parental populations were absorbed in one, which the genes of the fin's are dominant over the blue's. Even then, this species suffered a drastic bootle neck effect and sighting it is very uncommon. -Most cetaceans that still live are descendants of the common dolphin, the most populous species of cetacean. It gave origin to three groups: one replacing the orca, other replacing the beaked whales and other looking like traditional dolphins. -A descendant of hybrids between dall's porpoise and harbour porpoise living in North Pacific. -For terrestrial animals, I thought about a descendant of the brown bear with genes of their polar cousin. They are basically analogues to Arctodus in North America and maybe Eurasia. -Deep water corals are slowly invading the areas of their extinct relatives due to the waters getting cooller due to Ice Age approaching. Among some things that I thought that can be interesting are: -Seals and penguins that need ice are extinct without descendants -The Mediterranean still exist and the melting of the ice had made it swallow the lower parts of the Italian Peninsula and of Northern Africa. The Nile have a great delta. Those are my thoughts for now. If anyone have ideas to help with it, feel free to share!
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