The Getting Better Blog : Yellowstone and Wolf Trackers

Watch these two videos about Yellowstone. 

https://video.nationalgeographic.com/video/travel-source/00000144-0a2f-d3cb-a96c-7b2f21d10000

Watch thesecond video again and answer:

1. When were wolves reintroduced to Yellow stone?
2. How did the behaviour of deer change?
3. Name 5 animals you can now see in Yellowstone.
4. How did wolves change the behaviour of the rivers?
5. What happened to the river banks?
6. How did wolves change Yellowstone?