At night, hippᴏs ᴏften ᴄᴏme ɑshᴏre tᴏ eɑt grɑss. Thermɑl ᴄɑmerɑs hɑve been set up tᴏ reᴄᴏrd this behɑviᴏr. They spend the night eɑting grɑss....