First of all what's a cornucopia? Never heard of it before and if I seen it, I didn't know thats what you called it. Sorry I couldn't be of any help with this question. Here are some places you might find your answer: Book stores and asking around.
it is called a cornucopia or a horn of plenty.
The cornucopia is a traditional thanksgiving symbol. Therefore Jagex/Runescape tied it into the holiday. Just be happy its there
A cornucopia
cornucopia
Cornucopia is a " Horn of Plenty"
A cornucopia.
Thanksgiving is a national holiday celebrated in November to give thanks. Some symbols associated with Thanksgiving are turkey, pumpkin, cranberry and cornucopia.
You can still get the cornucopia until the 7th of December when the thanksgiving events are over. you can get it from killing chickens.
cornucopia.
Plenty or abundance of
I'd say either a turkey or the cornucopia. The turkey is the most widley used symbol but the cornucopia is probably the better of the two
2008 Thanksgiving event. After this event, you may kill certain birds to get them.