"It's 1-in-3000 eggs, which is very rare — at least for us." "Twins do occur across other species of turtles, for example the alligator snapping turtle [has] three sets of twins per 1,000 eggs." ...

Baby echidnas, puggles, hatch in their ... underwater through their bums, whose eggs have been most predated by echidnas. The white-throated snapping turtle and the cryptic Fitzroy River turtle ...