#FossilFriday: This 250-million-year-old animal could enter hibernation-like states
Lystrosaurus may be the oldest hibernating vertebrate in the fossil record.
Lystrosaurus may be the oldest hibernating vertebrate in the fossil record.
When in doubt, hibernate.
Oral infections have a long evolutionary history in bears.
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© 2007-2023 ZME Science - Not exactly rocket science. All Rights Reserved.