Results 61 to 70 of about 124 (74)
Feeding and digestive responses to fatty acid intake in two South American passerines with different food habits [PDF]
Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology, 2014 Artículo de publicación ISiSpecific fatty acids (FA) such as unsaturated (UFA) and saturated (SFA) fatty acids contained in foods are key factors in the nutritional ecology of birds.
Juan M. Ríos +2 more
exaly +4 more sources
Energetic costs and implications of the intake of plant secondary metabolites on digestive and renal morphology in two austral passerines [PDF]
Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology, 2016 Seed-eating birds have a diet of high nutritional value; however, they must cope with plant secondary metabolites (PSM). We postulated that the detoxification capacity of birds is associated with a metabolic cost, given that the organs responsible for ...
Juan M. Ríos +2 more
exaly +4 more sources
Journal of Experimental Zoology, 2012 The ability to cope with plant secondary compounds (PSCs) has profound implications for an animal's behavior. In the present study, we assessed the tolerance to dietary phenolics in three seed-eating birds: Zonotrichia capensis, Saltatricula multicolor ...
Juan M. Ríos +2 more
exaly +2 more sources
Effects of fragmentation and hybridization on geographical patterns of song variation in the endangered Yellow Cardinal Gubernatrix cristata [PDF]
Ibis, 2016 The song learning process may lead to small-scale geographical variation in vocalizations of oscine birds. This variation can be further enhanced by the effects of habitat fragmentation or hybridization.
Juan C. Reboreda +2 more
exaly +2 more sources
Plasma Cholinesterase Activity in Wild Birds from Undisturbed Woodlands in the Central Monte Desert [PDF]
Environmental Toxicology and Chemistry, 2019 Plasma cholinesterase activity is a biomarker sensitive to the effect of organophosphate and carbamate pesticides, and its enzymatic levels have been previously unknown for most of the wild birds analyzed in the present study.
Nora Bibiana María Gorla
exaly +3 more sources
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White-winged Diuca Finch (Diuca speculifera) Nesting on Quelccaya Ice Cap, Perú
Wilson Journal of Ornithology, 2008Spencer P Hardy
exaly
Notes on new or rarely reported Shiny Cowbird hosts from Argentina
Journal of Field Ornithology, 2002Rosendo M Fraga
exaly