According to the scientists, their finding "suggests wild berries might be a more valuable food source for wolves in southern boreal ecosystems than previously appreciated" (see).
In this dumb blog's opinion, the following cartoon shows what was actually going on, between the adult wolf and the pups, when they were spotted by the researchers.
|Wolves and blueberries (by @sciencemug)|
[Wolves free pic is by M L (source: Unsplash); adapted by @sciencemug]
Wanna see a video of an adult wolf eating blueberries? Check this out.