Invasive species may be great snacks for predators
![gray heron](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/10/wt_invasives_heron_free.jpg?fit=860%2C460&ssl=1)
Predators, such as the gray heron, may benefit when new species they can prey on arrive on the scene. But if that’s all there is to eat, they may not do so well.
Matthias Barby/Wikimedia Commons (CC-BY 3.0)