Animal behaviour: Turtle embryos seek sunny side

Animal behaviour: Turtle embryos seek sunny side

Nature 474, 7349 (2011). doi:10.1038/474009c

Just as adult turtles warm themselves in the midday Sun, turtle embryos ‘bask’ in their eggs by cosying up to the Sun-warmed side.Wei-Guo Du at the Chinese Academy of Sciences in Beijing and his colleagues shone light through the freshly laid eggs of softshell