Publications by authors named "Keith Hobson"

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Dynamic omnivory shapes the functional role of large carnivores under global change.
Jörg Albrecht, Hervé Bocherens, Keith A Hobson, Dorothée G Drucker, Agnieszka Sergiel

Nat Commun· December 2025

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Barn swallows and purple martins convert precursors to long-chain polyunsaturated fatty acids: implications for conservation of riparian- vs inland-nesting habitats.
Corrine S V Génier, Matthias Pilecky, Martin J Kainz, Christopher G Guglielmo, Keith A Hobson

Conserv Physiol· November 2025

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In the quest of isotope equilibrium for trophic discrimination estimation: diet-tissue dynamics in Nile crocodiles ().
David X Soto, Frans G T Radloff, Alexander L Bond, Keith A Hobson, Alison J Leslie

Isotopes Environ Health Stud· August 2025

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Origins of Nearctic migratory landbird vagrants recorded in Europe revealed by feather isotopic analysis.
Paul Dufour, Kevin J Kardynal, Keith A Hobson, David Monticelli, Yann Kolbeinsson

Sci Rep· May 2025

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Unraveling Omnivory and Community Interactions Between Primary Producers and an Apex Predator.
Ashlee J Mikkelsen, Andreas Zedrosser, Agnieszka Sergiel, Keith A Hobson, Nuria Selva

Ecol Evol· April 2025

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An evaluation of migration fidelity of Ruby-throated Hummingbirds inferred from stable isotope methods.
Geoff Koehler, Kevin J Kardynal, Ron E Jensen, Keith A Hobson

PeerJ· April 2025

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Essential and nonessential fatty acid composition and use in overwintering monarch butterflies.
Libesha Anparasan, Matthias Pilecky, M Isabel Ramirez, Keith A Hobson, Martin J Kainz

J Comp Physiol A Neuroethol Sens Neural Behav Physiol· March 2025

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Isotopes (δH) in wings and stored lipids of fall migratory monarch butterflies (Danaus plexippus) provide insights into population structure and nectaring origins.
Keith A Hobson, M Isabel Ramirez, Blanca X Mora Alvarez, Jackson W Kusack

Sci Rep· February 2025

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Ontogeny shapes individual dietary specialization in female European brown bears (Ursus arctos).
Anne G Hertel, Jörg Albrecht, Nuria Selva, Agnieszka Sergiel, Keith A Hobson

Nat Commun· November 2024

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The stable isotope hydrology of Sable Island, Nova Scotia, Canada with implications for evaluating the water budget of wild horses.
Geoff Koehler, Gina McNeill, Keith A Hobson

Isotopes Environ Health Stud· May 2024

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Winter-ground microhabitat use by differently coloured phenotypes affects return rate in a long-distance migratory bird.
Tiia Kärkkäinen, Keith A Hobson, Kevin J Kardynal, Toni Laaksonen

Oecologia· May 2024

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Testing foraging optimization models in brown bears: Time for a paradigm shift in nutritional ecology?
Ashlee J Mikkelsen, Keith A Hobson, Agnieszka Sergiel, Anne G Hertel, Nuria Selva

Ecology· February 2024

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Experimental evidence that EPA and DHA are dietary requirements in a migratory shorebird, but they do not affect muscle oxidative capacity.
Morag F Dick, Keith A Hobson, Christopher G Guglielmo

J Exp Biol· February 2024

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Mammal communities of primeval forests as sentinels of global change.
Nuria Selva, Keith A Hobson, Andrzej Zalewski, Ainara Cortés-Avizanda, José Antonio Donázar

Glob Chang Biol· January 2024

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Stable isotopes and a changing world.
Keith A Hobson

Oecologia· December 2023

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Dynamics of stored lipids in fall migratory monarch butterflies (): Nectaring in northern Mexico allows recovery from droughts at higher latitudes.
Keith A Hobson, Orley Taylor, M Isabel Ramírez, Rogelio Carrera-Treviño, John Pleasants

Conserv Physiol· November 2023

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Adaptive phenotypic and genomic divergence in the common chaffinch (Fringilla coelebs) following niche expansion within a small oceanic island.
María Recuerda, Mercè Palacios, Oscar Frías, Keith Hobson, Benoit Nabholz

J Evol Biol· September 2023

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Multi-isotope (δH, δC, δN) feather profiles and morphometrics inform patterns of migratory connectivity in three species of North American swallows.
Keith A Hobson, Kevin J Kardynal

Mov Ecol· August 2023

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Assigning harvested waterfowl to geographic origin using feather δ2H isoscapes: What is the best analytical approach?
Jackson W Kusack, Douglas C Tozer, Kayla M Harvey, Michael L Schummer, Keith A Hobson

PLoS One· July 2023

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Stable sulphur isotope (S) ratios in bird feathers from India indicate strong segregation between the Himalaya and Gangetic plain, and the rest of India.
Yuvraj Date, Shreyas Managave, Girish Jathar, Rahul Khot, Keith A Hobson

Isotopes Environ Health Stud· December 2022

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Breeding stage and tissue isotopic consistency suggests colony-level flexibility in niche breadth of an Arctic marine bird.
Kyle J L Parkinson, Holly L Hennin, H Grant Gilchrist, Keith A Hobson, Nigel E Hussey

Oecologia· December 2022

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Using stable isotope (δC, δN) values from feces and breath to infer shorebird diets.
Tomohiro Kuwae, Jun Hosoya, Kazuhiko Ichimi, Kenta Watanabe, Mark C Drever, Keith A Hobson

Oecologia· October 2022

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Stable Mercury Trends Support a Long-Term Diet Shift Away from Marine Foraging in Salish Sea Glaucous-Winged Gulls over the Last Century.
Emily S Choy, Louise K Blight, John E Elliott, Keith A Hobson, Michelle Zanuttig

Environ Sci Technol· September 2022

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A feather hydrogen (δ2H) isoscape for Brazil.
Renata D Alquezar, Fabio J V Costa, João Paulo Sena-Souza, Gabriela B Nardoto, Keith A Hobson

PLoS One· August 2022

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Rapid reduction in migration distance in relation to climate in a long-distance migratory bird.
Anders Pape Møller, Tim van Nus, Keith A Hobson

Curr Zool· April 2022

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