[TigersEye]

The Hukawng Valley at the northern tip of Myanmar has produced a series of exquisite amber fossils in recent years, including lizards, flowers, insects, bird wings—and perhaps most excitingly, the feathered tail of a small dinosaur and the remains of an entire baby enantiornithine bird.

The trees that existed then must have oozed huge quantities of sap. Nasty way to go, suffocated in a big blob of tree sap.

[Red Badger]

My guess is that ancient woodpeckers made holes to do exactly that..................