I mean: >Apex Predator. >Cannibal. >Amphibious. >Drinks blood(Water is too salty). >Invisible to infrared(And of the same color of it's environment). >Live in extreme temperatures. >Heavy, strong and aggressive. There's good reasons to fear them.
>Invisible to infrared(And of the same color of it's environment).
Looked it up, and polar bears are not invisible to infrared. All primary sources I looked into have since been removed and only could find studies that have disproven polar bears being invisible to infrared cameras with images comparing infrared and visible light photography.
I mean: >Apex Predator. >Cannibal. >Amphibious. >Drinks blood(Water is too salty). >Invisible to infrared(And of the same color of it's environment). >Live in extreme temperatures. >Heavy, strong and aggressive. There's good reasons to fear them.