Gregarious birds. Cedar Waxwings (Bombycilla cedrorum). In a group they’re called an “ear-ful” or a “museum” of Waxwings. They move together, often with American Robins (Turdus migratorius), from one area to another hunting down their favorite berries and fruits. Nomads roaming their range, showing up here and there wherever they can find a meal for…