Alex grinned, leading her to the thick glass enclosure where four nearly human-sized, brightly feathered dinosaurs watched them curiously. "Okay, this is really cool. These are Troodon formosus. They're part of an order that's the closest dinosaur relative to modern avians that are known today. And they're really, really smart." One of the Troodons made a trilling noise, oddly out of place for something of its size. The other three echoed it. "It's almost enrichment time," Alex said. "We keep them entertained and busy by giving them games to play, new ways to feed, that sort of thing. These guys are smart enough to keep track of the time." He hesitated. "There's not a big crowd today, so I could probably do it early, if you want to watch...?"