To demonstrate its effectiveness, they buried some salmon skins in wood cellulose and buried other skins in peat or coated them with moss extract.
युरोपातील तसेच उत्तर अमेरिकेतील मधमाश्‍यांमध्ये हे वर्तन वैशिष्ट्य दिसून येत नाही.