alpine, alpine chough, alps, animal, bird, blade of grass, breed, breeding, breeding ground, breeding grounds, brood, brooding, broods, building nest, chough, corvid, corvids, corvus monedula, descendants, grass, grass stalk, green grass, hatchery, incubate, jackdaw, jackdaws, mating season, nest, nest construction, nest site, nesting site, nests, offspring, offsprings, raven, ravens, rutting season, singing bird, song bird, songbird, spring, spring time, spring-time, springtime, the alps, yellow-billed chough, young animals