Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 56.
Västerbotten [1], 24/05/1732, ¶213:
He had a number of ‘Loxias’ or ‘conirosores’ [crossbills] in a cage. They ate pine-cones with enormous skill, picking them up in their mouths, holding them with their feet and taking out the seeds with their crossed bills.