Day 19. The Cretaceous-Paleogene (K-Pg) Extinction – the end of the “Age of Reptiles”

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Mammals were nocturnal until dinosaur extinction, then emerged into daylight: https://t.co/JifSqAb5tP via

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A post-extinction Carboniferous ocean, featuring sea lilies (crinoids) and shell-crushing fishes. By

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Upcoming EP#3 'The balance distinguishes not between gold and lead.' Chise meets Elias' mentor and an old race on the verge of extinction.

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Valuable comprehensive review: "Ecological and evolutionary legacy of megafaunal extinctions." et al. https://t.co/1E3pqJLVtP

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*CHARITY AUCTION* Comment to bid on "Lobo" - 100% goes to help stop Mexican wolf extinction. Start $300. Ends Sunday https://t.co/XB4GgYAgNw

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GORE WARNING
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Bob on their own can cause a few mass extinctions.

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Snow leopards are now off the endangered list! But they are still classified as vulnerable to extinction. Still, it's the right direction ❤️

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1936, the last known thylacine died in captivity. These iconic images were drawn before their extinction (Gould, 1863)

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Ralph Steadman’s Ark – Species Threatened With Extinction By Edward Lucie-Smith https://t.co/NkLf4dt9ag

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More awesome announcements: Get ready to meet , the artist of 's E is for Extinction and Nighthawk, at

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Learning about the layers of the earth and the extinction of the dinosaurs with the latest research in sediments

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Espèces menacées d extinction... Mort du en France

https://t.co/qBCTxctOjO

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My alphabet so far, can't believe how close to extinction some of these are.

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The biggest shark to have ever lived was wiped out during a global extinction of the ocean’s megafauna https://t.co/cXYHi3t3MP via

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apparently I'm on extinction now fyi which is cool - was expecting not to find a team for months and they're eu!! yay

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誰だろう、すごい気になる

Transformers: The Last Knight - TV Spot 'War Or Extinction' https://t.co/2DPL6VtS6I さんから

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Character Ability Icons for Lil' Chomper. Mascot extinction is on the menu.

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