How many legs have frogs got? 2 4 6. What is a tadpole? A baby frog A baby insect A baby bird. How many legs has a dragonfly got? 4 6 8. Waht do baby dragonflies eat? frogs plants tadpoles. What have herons got? Long legs Long ears Long tails. Where do herons make their nests? In trees On land On rocks. Which river is in Britain? The Thames The Nile The Amazon.