Sometimes it's out of anger, other times out of boredom, or just for fun. TikToker @vettichlife.sy, Shelby, recently shared a funny video of her cat and dog fighting, and people couldn't get enough!

Two cats peer curiously from the top of a bright cage, while another stands upright like a little meerkat, watching its friend with amusement — full of personality and charm. Donald Trump faces ...