A well-preserved fossil from the Yixian Formation of western Liaoning Province, China, represents the oldest record of post-natal parental care, according to a new study led by Dr Junchang Lu from the Chinese Academy of Geological Sciences’ Institute of Geology. Living scene of the adult Philydrosaurus and its babies. Image credit: Chuang Zhao. Post-natal parental care seems to have evolved numerous times in vertebrates, with evidence of a long...
