How wolves changed rivers video.

In class we had to watch a video named (How wolves changed rivers) here is my short summary.

wolves reapearing
seinstific findings water food change
bears trying to finding food
dear have finding food to eat
wolves giving life to many others
remarkable effects (pups)
behavoir of the dear avoding main parts dew to not getting tracked
regerated plants trees grew 5x more
valley plants became a forest
song birds started coming back
beavers increase
beavers building dams for others
wolves killing
more animals like foxes, badges, eagles, bear and hawks, wesils
more bears due to more berries
changing the behovior of rivers because of the wovles
changed rivers
sabelisted banks
fixed rivers in  course
vegetation growing
wolves small in numbers not just changing ecosystem but physical geography