It's not that simple. This article covers both the original claim and the counter claim that the video you linked makes. It comes down to numbers and frequency

It's not that simple. This article covers both the original claim and the counter claim that the video you linked makes. It comes down to numbers and frequency of this type of event. https://www.theatlantic.com/science/archive/2019/04/why-are-walruses-walking-off-cliffs/586510/ https://www.theatlantic.com/science/archive/2019/04/why-are-...