Researchers used to think that male dinosaurs couldn’t get enough sex, but now they think they had harems of females!

They base this conclusion on studies of emus, which are their closest relatives, which are polygamous, but are also devoted dads. Paleobiologist Gregory M. Erickson noticed that the ancient dinosaur nests he found suggested that “multiple females contributed the eggs and the male guarded them.” So a dinosaur Dad may have had lots of “wives,” but that didn’t mean he had it easy!

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Does what happened in the past tell us what will happen in the future? Only if we have the right interpreter!

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