The photographer isn't half-bad either. :)
That setup is slightly overkill for this place. Similarly great shots can be had with a 250mm "kit" lens.
The issue is that there isn't much evidence to support this notion. https://www.accuweather.com/en/weather-news/scientists-debunk-myth-that-yellowstone-wolves-changed-entire-ecosystem-flow-of-rivers/349988
The chronicles of ancient darkness Flips between the point of view of the main character and his wolf companion semi often... And now I'm gonna have to see if I still have my copies.
I got it on amazon but you can probably check a local bookstore :)
Give less money to Bezos and support local, you know.
but here: https://www.amazon.com/Brilliant-White-Peaks-Teng-Rong-ebook/dp/B09F2LY8F6/
I got my copy through Amazon. I wonder, are you not in the US, by chance? Different regions might have a different publication date.