The Tadpoles are Nearly Ready to Hatch

Tadpoles developing inside frogspawn
© 2008 David Jones

Around two weeks after the spawn has been laid, the tadpole embryos inside each egg have developed a head and tail.

Once the gills are formed, the tadpole will begin to hatch out from the jelly surrounding it. It uses its gills to get oxygen from the water.

Watch the tadpoles hatch