But one species, Gambel’s white-crowned sparrow ... inside their skulls. But when it comes to the sparrows, “there’s something really fascinating about these birds that they can manage ...

attached-to-the-bird’s-neck size. Her skulls come from Sparrows, Magpies, Crows, and Parakeets—there’s even a raccoon femur key chain. Prices range from $7 to $20, though her Etsy page is ...