Dunnock of "braun", "brown", and the specific "modularis" is from Latin "modulus", "melody". A European robin-sized bird, the dunnock typically measures 13.5–14 cm in length. It possesses a streaked back, somewhat resembling a small house sparrow. Like that species, the dunnock has a drab appearance which may have evolved to avoid predation. It is brownish underneath, and has a fine pointed bill. Adults have a grey head, and both sexes are similarly coloured. Unlike any similar sized small brown bird, Dunnocks exhibit frequent wing flicking, especially when engaged in territorial disputes or when competing for mating rights. Dunnocks are native to
Bird Creek Creek and had threatened to close some of the oil wells nearest the site. Bird Creek Bird Creek is a stream in northeast Oklahoma. The main creek is formed from the waters of North Bird Creek, Middle Bird Creek, and South Bird Creek, all of which rise in Osage County. The South and Middle branches of the creek converge at Bluestem Lake. Outflow from the lake is called Middle Bird Creek. North Bird Creek joins Middle Bird Creek northwest of Pawhuska, and from that point on is simply Bird Creek. From Pawhuska, the creek flows southeastward and eastward through the