Eel evolution The study also provides insights into evolution, suggesting that early vertebrates might not have needed to develop entirely new neural circuits to move on land.
Wild mammals and birds, both herbivores and carnivores, generally got smaller as human populations expanded, landscapes became more fragmented and hunting pressure increased.
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New Atlas,
New Atlas,
7 Sep. 2025
Sauropods are herbivores known for their very long necks, long tails, small head and pillar-like legs.
And, in Patagonia at the time, that was dinosaurs – from medium-sized herbivores to smaller carnivores – whose fossils have also been unearthed in the same rock layers.
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New Atlas,
New Atlas,
27 Aug. 2025
Moreover, in every case, the ancestors were either insectivores or carnivores, with insect-eaters making the shift about three times more often than carnivores.
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