191. =Least bittern.= ARDETTA EXILIS. Rare summer visitor; a few records east of mountains; one specimen seen west of the divide. 194. =Great blue heron.= ARDEA HERODIAS. Summer resident; common in migration; seldom goes far up in the mountains, though Mr. Aiken found one at an altitude of 9,000 feet. 196. =American egret.= ARDEA EGRETTA. Rare or accidental; one seen; general range, the whole of the United States; in winter south to Chili and Patagonia. 197. =Snowy heron.= ARDEA CANDIDISSIMA. Summer visitor; not known to breed; the highest altitude is the one taken near Leadville, 10,000 feet. 198. =Reddish egret.= ARDEA RUFESCENS. Rare or accidental; only two specimens secured; southern range. 202. =Black-crowned night heron.= NYCTICORAX NYCTICORAX NÆVIUS. Summer resident; not common; local; more plentiful in migration. 203. =Yellow-crowned night heron.= NYCTICORAX VIOLACEUS. Rare summer visitor; southern species; not known to breed in State. 204. =Whooping crane.= GRUS AMERICANA. Rare migrant; more common east of Colorado. 205. =Little brown crane.= GRUS CANADENSIS. Migrant; few taken; northern breeder. 206. =Sandhill crane.= GRUS MEXICANA. Summer resident; not uncommon locally; in migration common; breeds as high as 8,000 feet; has been seen in autumn passing over the highest peaks. 212. =Virginia rail.= RALLUS VIRGINIANUS. Summer resident; not uncommon; breeds on plains and in mountains to at least 7,500 feet. 214. =Sora.= PORZANA CAROLINA. Common summer resident; breeds from plains to 9,000 feet. 216. =Black rail.= PORZANA JAMAICENSIS. Rare migrant; one specimen secured. 219. =Florida gallinule.= GALLINULA GALEATA. Summer visitor, not known to breed. 221. =American coot.= FULICA AMERICANA. Common summer resident; breeds on plains and in mountain parks. 222. =Red phalarope.= CRYMOPHILUS FULICARIUS. Migrant; rare; once taken at Loveland by Edw. A. Preble, July 25, 1895. Breeds far north. 223. =Northern phalarope.= PHALAROPUS LOBATUS. Migrant; not uncommon; breeds far northward. 224. =Wilson's phalarope.= STEGANOPUS TRICOLOR. Common summer resident; more common in migration; breeds below 6,000 feet. 225. =American avocet.= RECURVIROSTRA AMERICANA. Common summer resident; occurs frequently on the plains; less frequent in mountains. 226. =Black-necked stilt.= HIMANTOPUS MEXICANUS. Summer resident; most common in the mountains, going as high as 8,000 feet; more common west of range than east. 228. =American woodcock.= PHILOHELA MINOR. Rare summer resident; Colorado the extreme western limit of its range, going only to foothills. 230. =Wilson's snipe.= GALLINAGO DELICATA. Rare summer resident; common migrant; winter resident, rare; found as high as 10,000 feet. 232. =Long-billed dowitcher.= MACRORHAMPHUS SCOLOPACEUS. Somewhat common migrant; all records restricted to plains; breeds far northward. 233. =Stilt sandpiper.= MICROPALAMA HIMANTOPUS. Rare migrant; breeds north of United States.