Reading an Informative Text

Where are bullfrogs native to?

What year did bullfrogs begin their leap around the world?

What predators keep adult bullfrogs in check in their native habitat?

How many eggs may a bullfrog lay in a single clutch?

What do bullfrog tadpoles eat?

What is a common vertebrate found in bullfrogs in southern Arizona?

How far can young bullfrogs move in a few weeks?

What method has been somewhat successful in controlling bullfrogs at Buenos Aires National Wildlife Refuge?

Why is it difficult to eradicate bullfrogs?

What happens if a male and a female bullfrog are left in an area?