Recently stuffed gyralcon. This beautiful young gyrfalcon is very professionally stuffed and has a fixed foot ring and of course comes with the correct cites documents. The gyrfalcon (/ˈdʒɜːrfɔːlkən/ or /ˈdʒɜːrfælkən/) (Falco rusticolus), the largest of the falcon species, is a bird of prey. The abbreviation gyr is also used.