Helmet Hornbill: The skull is highly sought after by aristocrats and is called "He Ding Hong", which is a treasure in the literary world. There is a bird whose skull is more expensive than gold, and it is a treasure in the literary world. It is called "He Ding Hong".

The crane crown red here does not refer to poison, but a handicraft made of the skull of a precious bird, which is the helmet hornbill.

Helmet hornbill is a national second-class protected animal, which is in an endangered state. Killing, trading and buying and selling are banned all over the world, but it still can't stop its number from decreasing because its skull price is too attractive.