Exquisite bird fossils reveal egg-producing ovary
Sunday, March 17, 2013 - 14:00
in Paleontology & Archaeology
Early avians lost one of two ovaries to take flight.Nature News doi: 10.1038/nature.2013.12616
Early avians lost one of two ovaries to take flight.Nature News doi: 10.1038/nature.2013.12616