cory's least bittern

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Uncommon to fairly common during spring, summer, and fall in Gulf Coast region, but rare in winter. Cory's least bittern. STATUS: Breeder. Here we report the first record of a Least Bittern with a Cory’s type plumage from Paraguay, and provide an over-view of the status of Least Bittern in the country. A review of the literature indicates that birds identified as Cory’s Bittern Cory’s Bittern (Ixobrychus “neoxenus” exilis) is an enigmatic form, usually referred to as a rare dark colour phase or morph of Least Bittern ( Ixobrychus exilis [Gmelin, 1789]). A dark rufous morph, I. e. neoxenus, termed "Cory's bittern" or "Cory's least bittern" was originally described by Charles Cory as a separate species in 1885 from a specimen collected on or near the Caloosahatchee River, near Lake Okeechobee, in south-west Florida. Dwarf Bittern, Little Bittern, Cory’s Bittern, Least Heron. First record of Cory’s Bittern in Paraguay On the afternoon of 24 April 2010, AL pho-tographed a small chestnut-colored bittern … The least bittern is a bird more often identified by its call. Cory’s Bittern (Ixobrychus “neoxenus” exilis) is an enigmatic form, usually referred to as a rare dark colour phase or morph of Least Bittern (Ixobrychus exilis [Gmelin, 1789]). Uncommon to rare inland during spring, summer, and fall. There is also a rare chestnut-breasted color phase that was formerly called the Cory's least bittern. Description SeeFigures 1to 3. In spring it responds readily to a taped or even human imitation. HIGH CONSERVATION CONCERN. (1992). The Least Bittern (Ixobrychus exilis) is a small wading bird, the smallest heron found in the Americas. Cory's Least Bittern is a combination erythristic (reddish) and melanistic (blackish) morph (Bent 1926, Cramp 1977). geneous Least Bitterns. (Palmer 1962). T. Gilbert Pearson, Editor in Chief of 'Birds of America,' published in 1923, still gave Cory's Least Bittern good standing. Cory spent about 200 hours volunteering on the refuge assisting researchers in the marshes on American and Least Bittern studies. © University Libraries, University of New Mexico, MSC05 3020, Albuquerque, NM 87131, (505) 277-9100. Cory assisted in collecting vegetative data, surveying in the Wilderness Area and on wetland restorations on private lands, cutting thistles from a Butterfly Garden, banding birds, and helping with general maintenance. ornithologists have suggested that Cory's Bittern may prove to be simply a color phase of the Least Bittern." A dark rufous morph, I. e. neoxenus, termed "Cory's bittern" or "Cory's least bittern" was originally described by Charles Cory as a separate species in 1885 from a specimen collected on or near the Caloosahatchee River, near Lake Okeechobee, in southwest Florida. Source: Wikipedia (0 votes) Photo powered by flickr.com. Cory's least bittern. But these diminutive herons reward patience and will charm birders persistent enough to discover them in their wetland haunts. The furtive Least Bittern is often little more than a voice in the reeds that is frustratingly difficult to locate. UNM is New Mexico's Flagship University Least Bittern, see Bent (1926), Roberts (1955), Palmer (1962), Oberholser (1974), Cramp (1977) and Gibbs et al. DESCRIPTION: Smallest heron (28-36 cm [14 in.]) They’re smartly clad in chestnut, buff, and black, with the male more richly colored than the female. But in this same year, The Auk (40: … Although it has other notes, its three syllable dove-like coo-coo-coo is distinctive. Chestnut-Breasted color phase that was formerly called the cory 's Least Bittern three syllable dove-like is! Bittern ( Ixobrychus exilis ) is a bird more often identified by its call also. 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