On such a dark night, the photos captured with night vision technology on wildlife cams can be grainy, even at high resolution. Like a classic black-and-white thriller, it can add to the tension.

https://www.sfchronicle.com/outdoors/article/At-dinnertime-mountain-lion-lurks-in-the-shadows-12743913.php

A trail camera caught the Azusa mountain lion back in April of last year. The images were shot by wildlife videographer Robert Martinez who tracks the mountain lion population living in the hills above Azusa and Glendora.

http://abc7.com/pets-animals/azusa-mountain-lion-a-familiar-sight-to-wildlife-videographer/3270286/