So baby pull me closer in the ba12/6/2023 (See " What Comes Before Snake Sex? A Kama Sutra of Courtship Moves.")īoth methods have their benefits, he says: Egg laying allows greater mobility for the mother who is "not encumbered by large eggs or embryos for a prolonged period," Gibbons says, and a higher likelihood of genetic diversity if there are multiple matings and clutches. Many animal groups have some species that lay eggs and others that birth live young, including fish, amphibians, and yes, even mammals, says Whit Gibbons, evolutionary biologist at the University of Georgia’s Savannah River Ecology Laboratory. While snakes are pretty unique in the animal kingdom, on this one they have to share the spotlight. ![]() ![]() “Are snakes the only family that evolved multiple birthing options-egg or live birth?” Louis Meluso asked Saturday's Weird Animal Question of the Week.
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