Works by Hobson, Keith A.

Results: 335

Seasonal changes in the diet of a critically endangered seabird and the importance of trawling discards.

Published in:

Marine Biology, 2009, v. 156, n. 12, p. 2571, doi. 10.1007/s00227-009-1281-3

By:

Navarro, Joan;
Louzao, Maite;
Igual, José Manuel;
Oro, Daniel;
Delgado, Antonio;
Arcos, José Manuel;
Genovart, Meritxell;
Hobson, Keith A.;
Forero, Manuela G.

Publication type:

Article

Stable Isotope Analysis of Amphidromous Hawaiian Gobies Suggests Their Larvae Spend a Substantial Period of Time in Freshwater River Plumes.

Published in:

Environmental Biology of Fishes, 2005, v. 74, n. 1, p. 31, doi. 10.1007/s10641-005-3212-6

By:

Sorensen, Peter W.;
Hobson, Keith A.

Publication type:

Article

Mercury exposure to swallows breeding in Canada inferred from feathers grown on breeding and non-breeding grounds.

Published in:

Ecotoxicology, 2020, v. 29, n. 7, p. 876, doi. 10.1007/s10646-020-02249-6

By:

Kardynal, Kevin J.;
Jardine, Timothy D.;
Génier, Corrine S. V.;
Bumelis, Kaelyn H.;
Mitchell, Greg W.;
Evans, Marlene;
Hobson, Keith A.

Publication type:

Article

Feeding ecology of gray whales inferred from stable-carbon and nitrogen isotopic analysis of baleen plates.

Published in:

Hydrobiologia, 2007, v. 586, n. 1, p. 17, doi. 10.1007/s10750-006-0477-5

By:

Caraveo-Patiño, Javier;
Hobson, Keith;
Soto, Luis

Publication type:

Article

Seasonal migration distance varies with natal dispersal and predicts parasitic infection in song sparrows.

Published in:

Behavioral Ecology & Sociobiology, 2016, v. 70, n. 11, p. 1857, doi. 10.1007/s00265-016-2191-2

By:

Kelly, Tosha;
MacGillivray, Heather;
Sarquis-Adamson, Yanina;
Watson, Matthew;
Hobson, Keith;
MacDougall-Shackleton, Elizabeth

Publication type:

Article

Selected papers of the 4th International Conference on “Applications of stable Isotope Techniques to Ecological Studies”, April 19–23, 2004, Wellington, New Zealand.

Published in:

Isotopes in Environmental & Health Studies, 2005, v. 41, n. 1, p. 1, doi. 10.1080/10256010500053375

By:

Hobson, Keith A.;
Wassenaar, Leonard I.;
Shannon, Joseph P.;
Bury, Sarah J.;
Thompson, David R.

Publication type:

Article

Migratory connectivity in the Loggerhead Shrike (Lanius ludovicianus).

Published in:

Ecology & Evolution (20457758), 2018, v. 8, n. 22, p. 10662, doi. 10.1002/ece3.4415

By:

Chabot, Amy A.;
Hobson, Keith A.;
Van Wilgenburg, Steven L.;
Pérez, Guillermo E.;
Lougheed, Stephen C.

Publication type:

Article

Using hydrogen isotopes of freshwater fish tissue as a tracer of provenance.

Published in:

Ecology & Evolution (20457758), 2016, v. 6, n. 21, p. 7776, doi. 10.1002/ece3.2519

By:

Soto, David X.;
Hobson, Keith A.;
Wassenaar, Leonard I.

Publication type:

Article

Adcyap1 polymorphism covaries with breeding latitude in a Nearctic migratory songbird, the Wilson's warbler ( Cardellina pusilla).

Published in:

Ecology & Evolution (20457758), 2016, v. 6, n. 10, p. 3226, doi. 10.1002/ece3.2053

By:

Bazzi, Gaia;
Galimberti, Andrea;
Hays, Quentin R.;
Bruni, Ilaria;
Cecere, Jacopo G.;
Gianfranceschi, Luca;
Hobson, Keith A.;
Morbey, Yolanda E.;
Saino, Nicola;
Guglielmo, Christopher G.;
Rubolini, Diego

Publication type:

Article

Large-scale spatial variation in feather corticosterone in invasive house sparrows ( Passer domesticus) in Mexico is related to climate.

Published in:

Ecology & Evolution (20457758), 2015, v. 5, n. 17, p. 3808, doi. 10.1002/ece3.1638

By:

Treen, Gillian D.;
Hobson, Keith A.;
Marchant, Tracy A.;
Bortolotti, Gary R.

Publication type:

Article

On the use of stable oxygen isotope ( δ18O) measurements for tracking avian movements in North America.

Published in:

Ecology & Evolution (20457758), 2015, v. 5, n. 3, p. 799, doi. 10.1002/ece3.1383

By:

Hobson, Keith A.;
Koehler, Geoff

Publication type:

Article

Individual differences in migratory behavior shape population genetic structure and microhabitat choice in sympatric blackcaps ( Sylvia atricapilla).

Published in:

Ecology & Evolution (20457758), 2013, v. 3, n. 12, p. 4278, doi. 10.1002/ece3.825

By:

Rolshausen, Gregor;
Segelbacher, Gernot;
Hermes, Claudia;
Hobson, Keith A.;
Schaefer, H. Martin

Publication type:

Article

Isotopes (δ2H) in wings and stored lipids of fall migratory monarch butterflies (Danaus plexippus) provide insights into population structure and nectaring origins.

Published in:

Scientific Reports, 2025, v. 15, n. 1, p. 1, doi. 10.1038/s41598-024-79624-4

By:

Hobson, Keith A.;
Ramirez, M. Isabel;
Mora Alvarez, Blanca X.;
Kusack, Jackson W.

Publication type:

Article

Stable hydrogen and oxygen isotopes in aquatic food webs are tracers of diet and provenance.

Published in:

Functional Ecology, 2013, v. 27, n. 2, p. 535, doi. 10.1111/1365-2435.12054

By:

Soto, David X.;
Wassenaar, Leonard I.;
Hobson, Keith A.;
Raubenheimer, David

Publication type:

Article

Mammal communities of primeval forests as sentinels of global change.

Published in:

Global Change Biology, 2024, v. 30, n. 1, p. 1, doi. 10.1111/gcb.17045

By:

Selva, Nuria;
Hobson, Keith A.;
Zalewski, Andrzej;
Cortés‐Avizanda, Ainara;
Donázar, José Antonio

Publication type:

Article

Spring temperature, migration chronology, and nutrient allocation to eggs in three species of arctic‐nesting geese: Implications for resilience to climate warming.

Published in:

Global Change Biology, 2018, v. 24, n. 11, p. 5056, doi. 10.1111/gcb.14418

By:

Hupp, Jerry W.;
Ward, David H.;
Soto, David X.;
Hobson, Keith A.

Publication type:

Article

Tracing biogeochemical subsidies from glacier runoff into Alaska's coastal marine food webs.

Published in:

Global Change Biology, 2018, v. 24, n. 1, p. 387, doi. 10.1111/gcb.13875

By:

Arimitsu, Mayumi L.;
Hobson, Keith A.;
Webber, D'Arcy N.;
Piatt, John F.;
Hood, Eran W.;
Fellman, Jason B.

Publication type:

Article

Regional climate on the breeding grounds predicts variation in the natal origin of monarch butterflies overwintering in Mexico over 38 years.

Published in:

Global Change Biology, 2017, v. 23, n. 7, p. 2565, doi. 10.1111/gcb.13589

By:

Flockhart, D. T. Tyler;
Brower, Lincoln P.;
Ramirez, M. Isabel;
Hobson, Keith A.;
Wassenaar, Leonard I.;
Altizer, Sonia;
Norris, D. Ryan

Publication type:

Article

Changing gull diet in a changing world: A 150-year stable isotope ( δ13C, δ15N) record from feathers collected in the Pacific Northwest of North America.

Published in:

Global Change Biology, 2015, v. 21, n. 4, p. 1497, doi. 10.1111/gcb.12796

By:

Blight, Louise K.;
Hobson, Keith A.;
Kyser, T. Kurt;
Arcese, Peter

Publication type:

Article

Ontogeny shapes individual dietary specialization in female European brown bears (Ursus arctos).

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-024-54722-z

By:

Hertel, Anne G.;
Albrecht, Jörg;
Selva, Nuria;
Sergiel, Agnieszka;
Hobson, Keith A.;
Janz, David M.;
Mulch, Andreas;
Kindberg, Jonas;
Hansen, Jennifer E.;
Frank, Shane C.;
Zedrosser, Andreas;
Mueller, Thomas

Publication type:

Article

Use of amino acid isotope analysis to investigate capital versus income breeding strategies in migratory avian species.

Published in:

Methods in Ecology & Evolution, 2023, v. 14, n. 9, p. 2421, doi. 10.1111/2041-210X.14150

By:

Lübcker, Nico;
Whiteman, John P.;
Shipley, Oliver N.;
Hobson, Keith A.;
Newsome, Seth D.

Publication type:

Article

Calibration chain transformation improves the comparability of organic hydrogen and oxygen stable isotope data.

Published in:

Methods in Ecology & Evolution, 2021, v. 12, n. 4, p. 732, doi. 10.1111/2041-210X.13556

By:

Magozzi, Sarah;
Bataille, Clement P.;
Hobson, Keith A.;
Wunder, Michael B.;
Howa, John D.;
Contina, Andrea;
Vander Zanden, Hannah B.;
Bowen, Gabriel J.;
Soto, David

Publication type:

Article

A feather hydrogen (δ2H) isoscape for Brazil.

Published in:

PLoS ONE, 2022, v. 17, n. 8, p. 1, doi. 10.1371/journal.pone.0271573

By:

Alquezar, Renata D.;
Costa, Fabio J. V.;
Sena-Souza, João Paulo;
Nardoto, Gabriela B.;
Hobson, Keith A.

Publication type:

Article

Potential effects of introduced salmonids on native lake trout Salvelinus namaycush in Lake Huron: evaluating niche overlap using stable isotopes.

Published in:

Canadian Journal of Fisheries & Aquatic Sciences, 2025, v. 82, p. 1, doi. 10.1139/cjfas-2024-0202

By:

Lasci, Jacob D.;
Hobson, Keith A.;
Neff, Bryan D.

Publication type:

Article

Cover Image.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2017, v. 31, n. 14, p. i, doi. 10.1002/rcm.7921

By:

Soto, David X.;
Koehler, Geoff;
Wassenaar, Leonard I.;
Hobson, Keith A.

Publication type:

Article

Re-evaluation of the hydrogen stable isotopic composition of keratin calibration standards for wildlife and forensic science applications.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2017, v. 31, n. 14, p. 1193, doi. 10.1002/rcm.7893

By:

Soto, David X.;
Koehler, Geoff;
Wassenaar, Leonard I.;
Hobson, Keith A.

Publication type:

Article

Milk isotopic values demonstrate that nursing fur seal pups are a full trophic level higher than their mothers.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2015, v. 29, n. 16, p. 1485, doi. 10.1002/rcm.7243

By:

Cherel, Yves;
Hobson, Keith A.;
Guinet, Christophe

Publication type:

Article

An online temperature-controlled vacuum-equilibration preparation system for the measurement of δ2H values of non-exchangeable-H and of δ18O values in organic materials by isotope-ratio mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2015, v. 29, n. 5, p. 397, doi. 10.1002/rcm.7118

By:

Wassenaar, Leonard I.;
Hobson, Keith A.;
Sisti, Leonardo

Publication type:

Article

Time series analysis of elemental and isotopic data from biomineralized whale tissue.

Published in:

Environmental & Ecological Statistics, 2004, v. 11, n. 3, p. 323, doi. 10.1023/B:EEST.0000038019.84117.e1

By:

Qin Shao;
Wilson, Machelle D.;
Romanek, Christopher S.;
Hobson, Keith A.

Publication type:

Article

Identifying the winter grounds of the recently described Barbary Reed Warbler (Acrocephalus baeticatus ambiguus).

Published in:

Ibis (0019-1019), 2023, v. 165, n. 1, p. 204, doi. 10.1111/ibi.13113

By:

Jiguet, Frédéric;
Dufour, Paul;
Kardynal, Kevin J.;
Hobson, Keith A.;
Copete, José Luis;
Arroyo, Jose Luis;
Lee, Raymond W.;
Rguibi‐Idrissi, Hamid;
Procházka, Petr

Publication type:

Article

Individual condition, but not fledging phenology, carries over to affect post‐fledging survival in a Neotropical migratory songbird.

Published in:

Ibis (0019-1019), 2020, v. 162, n. 2, p. 331, doi. 10.1111/ibi.12727

By:

Evans, Dean R.;
Hobson, Keith A.;
Kusack, Jackson W.;
Cadman, Michael D.;
Falconer, C. Myles;
Mitchell, Greg W.

Publication type:

Article

Natal origins and timing of migration of two passerine species through the southern Alps: inferences from multiple stable isotopes (δ2H, δ13C, δ15N, δ34S) and ringing data.

Published in:

Ibis (0019-1019), 2020, v. 162, n. 2, p. 293, doi. 10.1111/ibi.12717

By:

Franzoi, Alessandro;
Bontempo, Luana;
Kardynal, Kevin J.;
Camin, Federica;
Pedrini, Paolo;
Hobson, Keith A.

Publication type:

Article

Rainfall at African wintering grounds predicts age‐specific probability of haemosporidian infection in a migratory passerine bird.

Published in:

Ibis (0019-1019), 2019, v. 161, n. 4, p. 759, doi. 10.1111/ibi.12680

By:

López‐Calderón, Cosme;
Hobson, Keith A.;
Balbontín, Javier;
Reviriego, María I.;
Magallanes, Sergio;
García‐Longoria, Luz;
Relinque, Carmen;
De Lope, Florentino;
Møller, Anders P.;
Marzal, Alfonso

Publication type:

Article

Moult in the Loggerhead Shrike <italic>Lanius ludovicianus</italic> is influenced by sex, latitude and migration.

Published in:

Ibis (0019-1019), 2018, v. 160, n. 2, p. 301, doi. 10.1111/ibi.12551

By:

Chabot, Amy A.;
Hobson, Keith A.;
Craig, Susan;
Lougheed, Stephen C.

Publication type:

Article

Flyway population delineation in Taiga Bean Geese Anser fabalis fabalis revealed by multi-element feather stable isotope analysis.

Published in:

Ibis (0019-1019), 2017, v. 159, n. 1, p. 66, doi. 10.1111/ibi.12417

By:

Fox, Anthony D.;
Hobson, Keith A.;
Jong, Adriaan;
Kardynal, Kevin J.;
Koehler, Geoff;
Heinicke, Thomas

Publication type:

Article

Feather-based measures of stable isotopes and corticosterone reveal a relationship between trophic position and physiology in a pelagic seabird over a 153-year period.

Published in:

Ibis (0019-1019), 2015, v. 157, n. 2, p. 273, doi. 10.1111/ibi.12232

By:

Fairhurst, Graham D.;
Bond, Alexander L.;
Hobson, Keith A.;
Ronconi, Robert A.;
Wanless, Ross

Publication type:

Article

Marine moult migration of the freshwater Scaly-sided Merganser Mergus squamatus revealed by stable isotopes and geolocators.

Published in:

Ibis (0019-1019), 2014, v. 156, n. 2, p. 466, doi. 10.1111/ibi.12133

By:

Solovyeva, Diana;
Newton, Jason;
Hobson, Keith;
Fox, James W.;
Afanasyev, Vsevolod;
Fox, Anthony D.;
Daunt, Francis

Publication type:

Article

Energy reserves stored by migrating Gray-cheeked Thrushes Catharus minimus at a spring stopover site in northern Colombia are sufficient for a long-distance flight to North America.

Published in:

Ibis (0019-1019), 2013, v. 155, n. 2, p. 271, doi. 10.1111/ibi.12029

By:

Bayly, Nicholas J.;
Gómez, Camila;
Hobson, Keith A.;
Ishtiaq, Farah

Publication type:

Article

Origins of irruptive migrations by Common Crossbills Loxia curvirostra into northwestern Europe revealed by stable isotope analysis.

Published in:

Ibis (0019-1019), 2012, v. 154, n. 2, p. 400, doi. 10.1111/j.1474-919X.2012.01221.x

By:

MARQUISS, MICK;
NEWTON, IAN;
HOBSON, KEITH A.;
KOLBEINSSON, YANN

Publication type:

Article

Evidence for widespread gene flow and migration in the Globe Skimmer dragonfly Pantala flavescens.

Published in:

International Journal of Odonatology, 2022, v. 25, p. 43, doi. 10.48156/1388.2022.1917166

By:

Ware, Jessica;
Kohli, Manpreet Kaur;
Mendoza, Ciara Mae;
Troast, Daniel;
Hiroshi Jinguji;
Hobson, Keith A.;
Sahlén, Göran;
Anderson, R. Charles;
Suhling, Frank

Publication type:

Article

Prolonging the arctic pulse: long-term exploitation of cached eggs by arctic foxes when lemmings are scarce.

Published in:

Journal of Animal Ecology, 2007, v. 76, n. 5, p. 873, doi. 10.1111/j.1365-2656.2007.01278.x

By:

SAMELIUS, GUSTAF;
ALISAUSKAS, RAY T.;
HOBSON, KEITH A.;
LARIVIÈRE, SERGE

Publication type:

Article

Stable isotopes document seasonal changes in trophic niches and winter foraging individual specialization in diving predators from the Southern Ocean.

Published in:

Journal of Animal Ecology, 2007, v. 76, n. 4, p. 826, doi. 10.1111/j.1365-2656.2007.01238.x

By:

CHEREL, YVES;
HOBSON, KEITH A.;
GUINET, CHRISTOPHE;
VANPE, CECILE

Publication type:

Article

High trophic overlap within the seabird community of Argentinean Patagonia: a multiscale approach.

Published in:

Journal of Animal Ecology, 2004, v. 73, n. 4, p. 789, doi. 10.1111/j.0021-8790.2004.00852.x

By:

Forero, Manual G.;
Bortolotti, Gary R.;
Hobson, Keith A.;
Donazar, Jose A.;
Bertelloti, Marcelo;
Blanco, Guillermo

Publication type:

Article

Multi-isotopic (δ2H, δ13C, δ15N) tracing of molt origin for European starlings associated with U.S. dairies and feedlots.

Published in:

PLoS ONE, 2020, v. 15, n. 8, p. 1, doi. 10.1371/journal.pone.0237137

By:

Werner, Scott J.;
Fischer, Justin W.;
Hobson, Keith A.

Publication type:

Article

Tracking cats revisited: Placing terrestrial mammalian carnivores on δ2H and δ18O isoscapes.

Published in:

PLoS ONE, 2019, v. 14, n. 9, p. 1, doi. 10.1371/journal.pone.0221876

By:

Koehler, Geoff;
Hobson, Keith A.

Publication type:

Article

Comparing the predictive capability of forest songbird habitat models based on remotely sensed versus ground-based vegetation information.

Published in:

Canadian Journal of Forest Research, 2010, v. 40, n. 1, p. 65, doi. 10.1139/X09-170

By:

Bayne, Erin M.;
Haché, Samuel;
Hobson, Keith A.

Publication type:

Article

State-dependent capital and income breeding: a novel approach to evaluating individual strategies with stable isotopes.

Published in:

Frontiers in Zoology, 2016, v. 13, p. 1, doi. 10.1186/s12983-016-0157-x

By:

Jaatinen, Kim;
Öst, Markus;
Hobson, Keith A.

Publication type:

Article

Shifty salamanders: transient trophic polymorphism and cannibalism within natural populations of larval ambystomatid salamanders.

Published in:

Frontiers in Zoology, 2014, v. 11, n. 1, p. 1, doi. 10.1186/s12983-014-0076-7

By:

Jefferson, Dale M.;
Ferrari, Maud C. O.;
Mathis, Alicia;
Hobson, Keith A.;
Britzke, Eric R.;
Crane, Adam L.;
Blaustein, Andrew R.;
Chivers, Douglas P.

Publication type:

Article

Broad geographic variation in age- and sex-dependent origin of harvested eurasian wigeon (Mareca penelope) revealed by stable-hydrogen (δ2H) isotope analyses of feathers.

Published in:

European Journal of Wildlife Research, 2024, v. 70, n. 5, p. 1, doi. 10.1007/s10344-024-01849-5

By:

Holopainen, Sari;
Piironen, Antti;
Kusack, Jackson W.;
Hobson, Keith A.;
Ellis, Matthew B.;
Sørensen, Iben Hove;
Warrender, Heather;
Laaksonen, Toni

Publication type:

Article

Correction to: Feather stable isotopes (δ2 Hf and δ13Cf) identify the Sub-Saharan wintering grounds of turtle doves from Europe.

Published in:

European Journal of Wildlife Research, 2023, v. 69, n. 5, p. 1, doi. 10.1007/s10344-023-01724-9

By:

Marx, Melanie;
Schumm, Yvonne R.;
Kardynal, Kevin J.;
Hobson, Keith A.;
Rocha, Gregorio;
Zehtindjiev, Pavel;
Bakaloudis, Dimitris;
Metzger, Benjamin;
Cecere, Jacopo G.;
Spina, Fernando;
Cianchetti-Benedetti, Marco;
Frahnert, Sylke;
Voigt, Christian C.;
Lormée, Hervé;
Eraud, Cyril;
Quillfeldt, Petra

Publication type:

Article