The article notes (and the linked article particularly does so[0]) that it was likely a "glycogen body", similar to what is found in birds. However, they have

The article notes (and the linked article particularly does so[0]) that it was likely a "glycogen body", similar to what is found in birds. However, they have no idea what the hell it does in birds, so even less so what it'd do in a dinosaur. [0] https://svpow.com/2009/12/15/lies-damned-lies-and-clash-of-the-dinosaurs/ https://svpow.com/2009/12/15/lies-damned-lies-and-clash-of-t...