PROPTER. A qualified property, which may subsist in animals fere nature on account of their inability, as where hawks, herons, or other birds build in a person's treés, or conies, etc., make their nests or burrows in a person’s land, and have young there, such person has a qualified property in them till they can fly or run away, and then such property expires. 2 Steph. Comm. (7th Ed.) &