For decades, scientists assumed that the relatively small pelvic bones found in whales were simple remnants of their land-dwelling past, “useless vestiges” that served no real purpose, akin to the human appendix or tailbone.
A new study, co-authored by Erik Otárola-Castillo, a fellow in David Pilbeam’s paleoanthropology lab in the Department of Human Evolutionary Biology, suggests that the bones, in fact, have a very specific purpose — particularly when it comes to making baby whales and baby dolphins. The research is described in a recent...
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