Recently mounted Lanner Falcon This falcon is very expertly mounted and is placed on a realistically made rockery. This Lanner Falcon has a fixed foot ring and it comes with the appropriate cites documents. This falcon is 39 to 46 cm long and weighs 525 to 850 g and has a wingspan of 88 to 107 cm. It is a large falcon, with the length and weight of a peregrine falcon, but much slimmer.