Perchance to Twitch https://validator.w3.org/feed/docs/rss2.html Adult dog Sea lions twitching? Apoica wasp, sleeping? Dad with four puppies Honey bee (tarsus and antennae twitching) Honey bee (antennal twitches) Twitching in premature human infants: Introductory video Horse’s multiple attempts to enter REM sleep Horse appearing to enter REM sleep (with some twitching; note collapse toward the end) Octopus phasic activity Adult chinchilla whisker twitching Dog’s rapid eye movements with open eyelid Puppy’s rapid eye movements with open eyelid REM sleep in lizards (rapid eye movements?) Close-up of dog’s face while twitching Cookie Policy (EU) Twitching in a two-year-old eastern grey kangaroo (Macropus giganteus) If you look closely, you can see penile twitches (and an ear twitch?) in this sleeping elephant Are those trunk twitches at the beginning of this video of a sleeping elephant? (Somewhat hard to believe…) Elephant twitching its trunk (and snoring)? Twitching of fetal sheep in artificial womb Adult Sparrow 8-day-old rat with slow-motion views of twitches Dog facial twitching Adult rat whisker twitches Sleep (?) in adult guinea pig with eyes open Adult Raccoon About Puppy dog twitching Adult rat twitching, including whiskers Detailed flurries of whisker twitching in adult rat Great view of adult rat whisker twitches Adult rat whisker twitching Adult rat sleeping on its back showing twitches across the whole body Rabbit twitching (and pooping) Horse appearing to twitch at the transition to REM sleep Chromatophore activation in a sleeping octopus Human infant: Nine days of age born at 42-weeks gestation Kitten at 3.5 months old Adult rat whisker twitches Adult rat whisker twitches Adult dog with vigorous limb twitches Twitching in young and adult jumping spiders Adult platypus REM sleep including bill twitching Pigeon hatchlings (day 1) Fringe-lipped bat (twitches of hind limb, wing, and ear) Fringe-lipped bat (ear twitches) Octopus sleeping: It’s not twitching, but… Virginia opossum limb twitches Young Gorilla