Video about animal hybrids

[Catherine]

There is something happening between species right now. There is an increasing number of hybrids.
Totally different species are producing offspring. This is particularly noticeable in the arctic. 
Narwhales and beluga whales have cross bred. Polar bears and Grizzly bears have started producing cubs together.

https://www.msn.com/en-ca/money/general/...ruby&ei=55

What does this mean? It is going to take more observation and study to answer that question.