Category: Rallidae

Winter Distribution of Subspecies of Clapper Rails (Rallus longirostris) in Florida with Evidence for Long-distance and Overland Movements

Clapper Rail (Rallus longirostris) Science Article 1 abstract Little is known of the extent of movement and winter ranges of Clapper Rails (Rallus longirostris) in the United States despite years of study by ornithologists and game biologists (Stewart 1951, 1954;Mangold 1977). For example, only recently was it learned that the endangered southwestern population, R. l. […]

SEASONAL DISTRIBUTION OF THE AZUREGALLINULE (PORPHYRULA FLA l?1ltOST’Is),WITH COMMENTS ON VAGRANCY INRAILS AND GALLINULES

Azure Gallinule (Porphyrio flavirostris) Science Article 1 abstract Specimen records and field observations of the Azure Gallinule (Porphyrulu flavirostris) provide evidence that this species undergoes seasonal movements in portions of its range. Although present year-round in much of Amazonia, it is seasonal in the Guianas, southwestern Amazonia, and Paraguay. Data from single localities within these […]

Voice Differences between sexes in the American Coot

American Coot (Fulica americana) Science Article 3 abstract American Coot (Fulica americana) exhibits no sexual dimorphism in plumage characters and although the males average about seven per cent larger than females. I have found, however, that the sexes can be recognized by differences in voice. Gordon W. GULLION, FROM FIELD AND STUDY Download article download […]

Lipophilic organic compounds in lake sediment and Americancoot (Fulica americana) tissues, both affected and unaffected byavian vacuolar myelinopathy

American Coot (Fulica americana) Science Article 1 abstract Avian vacuolar myelinopathy (AVM) is a disease of unknown etiology, which has been diagnosed in a variety ofbirds from surface water reservoirs in the southeastern United States.Pathology suggests a natural or anthropogeniccompound may be the cause of this disease.With the goal of identifying the toxicant that causes […]

SEASONAL DISTRIBUTION OF THE AZUREGALLINULE, WITH COMMENTS ON VAGRANCY INRAILS AND GALLINULES

Allens Gallinule (Porphyrio alleni) Science Article 2 abstract specimen records and field observations of the Azure Gallinule (Porphyruluflavirostris) provide evidence that this species undergoes seasonal movements in portionsof its range J. V. REMSEN JR. AND T. A. PARKER, III, Wilson Bull., 102(3), 1990, pp. 380-399 Download article download full text (pdf)