Californian condors appear to have a penchant for collecting pieces of junk, incorporating them into their nests, and feeding them to their nestlings.

• 加州秃鹫似乎有采集垃圾碎片的强烈嗜好，秃鹫将这些碎片置于自己的窝巢并把它们当做食物喂给雏鸟吃。