Other signs to look for include dilated pupils, twitching skin, pushing your hand away with a paw, getting the claws out or trying to scratch you, or looking at your hand and fixating on it. (feedspot.com)
Then I watched four episodes of the fourth season of Rake and gazed with dilated pupils at that sexy Richard Roxburgh creature. (housegoeshome.com)
Through complex programming and smooth motion - control systems, each dinosaur was given a range of realistic behaviours such as dilating pupils, coordinated muscles, and tongue movement. (sciencemag.org)