Search Results - "Guglielmo, Christopher G"

Obese super athletes: fat-fueled migration in birds and bats by Guglielmo, Christopher G

“…Migratory birds are physiologically specialized to accumulate massive fat stores (up to 50-60% of body mass), and to transport and oxidize fatty acids at very…”
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Bats on a budget: torpor-assisted migration saves time and energy by McGuire, Liam P, Jonasson, Kristin A, Guglielmo, Christopher G

“…Bats and birds must balance time and energy budgets during migration. Migrating bats face similar physiological challenges to birds, but nocturnality creates…”
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Landscape movements of migratory birds and bats reveal an expanded scale of stopover by Taylor, Philip D, Mackenzie, Stuart A, Thurber, Bethany G, Calvert, Anna M, Mills, Alex M, McGuire, Liam P, Guglielmo, Christopher G

“…Many species of birds and bats undertake seasonal migrations between breeding and over-wintering sites. En-route, migrants alternate periods of flight with…”
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Reversal of the adipostat control of torpor during migration in hummingbirds by Eberts, Erich R, Guglielmo, Christopher G, Welch, Jr, Kenneth C

“…Many small endotherms use torpor to reduce metabolic rate and manage daily energy balance. However, the physiological 'rules' that govern torpor use are…”
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Short-term mercury exposure disrupts muscular and hepatic lipid metabolism in a migrant songbird by Seewagen, Chad L., Elowe, Cory R., Gerson, Alexander R., Groom, Derrick J. E., Ma, Yanju, Yildirim, Mustafa, Guglielmo, Christopher G.

“…Methylmercury (MeHg) is a global pollutant that can cause metabolic disruptions in animals and thereby potentially compromise the energetic capacity of birds…”
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Species-specific metabolic responses of songbird, shorebird, and murine cultured myotubes to n-3 polyunsaturated fatty acids by Young, Kevin G, Vanderboor, Christina M, Regnault, Timothy R H, Guglielmo, Christopher G

“…Migratory birds may benefit from diets rich in polyunsaturated fatty acids (PUFAs) that could improve exercise performance. Previous investigations suggest…”
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The Motus Wildlife Tracking System: a collaborative research network to enhance the understanding of wildlife movement by Taylor, Philip D., Crewe, Tara L., Mackenzie, Stuart A., Lepage, Denis, Aubry, Yves, Crysler, Zoe, Finney, George, Francis, Charles M., Guglielmo, Christopher G., Hamilton, Diana J., Holberton, Rebecca L., Loring, Pamela H., Mitchell, Greg W., Norris, D. Ryan, Paquet, Julie, Ronconi, Robert A., Smetzer, Jennifer R., Smith, Paul A., Welch, Linda J., Woodworth, Bradley K.

“…We describe a new collaborative network, the Motus Wildlife Tracking System (Motus; https://motus.org), which is an international network of researchers using…”
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Weather forecasting by insects: modified sexual behaviour in response to atmospheric pressure changes by Pellegrino, Ana Cristina, Peñaflor, Maria Fernanda Gomes Villalba, Nardi, Cristiane, Bezner-Kerr, Wayne, Guglielmo, Christopher G, Bento, José Maurício Simões, McNeil, Jeremy N

“…Prevailing abiotic conditions may positively or negatively impact insects at both the individual and population levels. For example while moderate rainfall and…”
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The effect of muscle phospholipid fatty acid composition on exercise performance: a direct test in the migratory white-throated sparrow (Zonotrichia albicollis) by Price, Edwin R, Guglielmo, Christopher G

“…Dietary polyunsaturated fatty acids (PUFA) can have various effects on animal physiology through their roles as energy, structural, regulatory, and signaling…”
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Phenotypic flexibility in migrating bats: seasonal variation in body composition, organ sizes and fatty acid profiles by McGuire, Liam P, Fenton, M Brock, Guglielmo, Christopher G

“…Many species of bats migrate long distances, but the physiological challenges of migration are poorly understood. We tested the hypothesis that migration is…”
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Migratory songbirds and urban window collision mortality: vulnerability depends on species, diel timing of migration, and age class by Colling, Olivia M., Guglielmo, Christopher G., Bonner, Simon J., Morbey, Yolanda E.

“…Hundreds of millions of birds are estimated to die annually in North America by colliding with windows, and understanding the species-level correlates of…”
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Early life events carry over to influence pre-migratory condition in a free-living songbird by Mitchell, Greg W, Guglielmo, Christopher G, Wheelwright, Nathaniel T, Freeman-Gallant, Corey R, Norris, D Ryan

“…Conditions experienced during development can have long-term consequences for individual success. In migratory songbirds, the proximate mechanisms linking…”
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Combining bulk stable H isotope (δ2H) measurements with fatty acid profiles to examine differential use of aquatic vs. terrestrial prey by three sympatric species of aerial insectivorous birds by Génier, Corrine S. V., Guglielmo, Christopher G., Hobson, Keith A.

“…Aerial insectivorous songbirds such as swallows and martins have declined substantially in North America in recent decades. Aquatic-emergent insects provide…”
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Lab-on-a-bird: biophysical monitoring of flying birds by Gumus, Abdurrahman, Lee, Seoho, Ahsan, Syed S, Karlsson, Kolbeinn, Gabrielson, Richard, Guglielmo, Christopher G, Winkler, David W, Erickson, David

“…The metabolism of birds is finely tuned to their activities and environments, and thus research on avian systems can play an important role in understanding…”
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On the Estimation of Time Dependent Lift of a European Starling (Sturnus vulgaris) during Flapping Flight by Stalnov, Oksana, Ben-Gida, Hadar, Kirchhefer, Adam J, Guglielmo, Christopher G, Kopp, Gregory A, Liberzon, Alexander, Gurka, Roi

“…We study the role of unsteady lift in the context of flapping wing bird flight. Both aerodynamicists and biologists have attempted to address this subject, yet…”
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Estimation of unsteady aerodynamics in the wake of a freely flying European starling (Sturnus vulgaris) by Ben-Gida, Hadar, Kirchhefer, Adam, Taylor, Zachary J, Bezner-Kerr, Wayne, Guglielmo, Christopher G, Kopp, Gregory A, Gurka, Roi

“…Wing flapping is one of the most widespread propulsion methods found in nature; however, the current understanding of the aerodynamics in bird wakes is…”
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Behavioral and physiological effects of photoperiod-induced migratory state and leptin on a migratory bird, Zonotrichia albicollis : I. Anorectic effects of leptin administration by Cerasale, David J, Zajac, Daria M, Guglielmo, Christopher G

“…Highlights ► We manipulate photoperiod to induce migration in captive sparrows. ► We test if migration affects the response of feeding to leptin…”
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A Field Validation of Plasma Metabolite Profiling to Assess Refueling Performance of Migratory Birds by Guglielmo, Christopher G., Cerasale, David J., Eldermire, Charles

“…Plasma metabolite profiling offers a potential means to assess stopover refueling performance of migratory birds from a single capture. However, this method…”
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Preparing for Migration? The Effects of Photoperiod and Exercise on Muscle Oxidative Enzymes, Lipid Transporters, and Phospholipids in White‐Crowned Sparrows by Price, Edwin R., McFarlan, Jay T., Guglielmo, Christopher G.

“…The extreme energetic demands of avian migration result in various physiological changes that can be observed during the migratory period. However, the degree…”
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Move That Fatty Acid: Fuel Selection and Transport in Migratory Birds and Bats by Guglielmo, Christopher G.

“…The metaphor of marathon running is inadequate to fully capture the magnitude of long-distance migratory flight of birds. In some respects a journey to the…”
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