Mother crocodiles will protect their nests during the 3 month incubation period, and when she hears her babies cry out "umph! umph!", she digs them up and carries them to the safety
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Crocodiles can reproduce without males – and maybe dinosaurs could too | New Scientist
Crocodile seen reproducing through 'virgin birth' for first time
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Scientists Discover First Virgin Birth in a Crocodile - The New York Times
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Crocodile Pregnant: Crocodile makes herself pregnant. See how is it possible - The Economic Times
Study: Crocodile found to impregnate herself, lay eggs, for first time - The Washington Post