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List of works by Keith A Hobson

A Continent-Wide Migratory Divide in North American Breeding Barn Swallows (Hirundo rustica).

scientific article published on 11 June 2015

A dragonfly (δ2H) isoscape for North America: a new tool for determining natal origins of migratory aquatic emergent insects

scientific article published on 11 April 2012

A method for investigating population declines of migratory birds using stable isotopes: origins of harvested lesser scaup in North America

scientific article

A physiological marker for quantifying differential reproductive investment between the sexes in Yellow-legged gulls (Larus michahellis)

article by Francisco Ramírez et al published December 2010 in Journal of Experimental Marine Biology and Ecology

Adapting to a changing world: unraveling the role of man-made habitats as alternative feeding areas for slender-billed gull (Chroicocephalus genei).

scientific article

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

scientific article published on 7 April 2016

Advances in linking wintering migrant birds to their breeding-ground origins using combined analyses of genetic and stable isotope markers.

scientific article

Age-dependent carry-over effects in a long-distance migratory bird

scientific article published on 19 August 2019

An Estimate of Nest Loss in Canada Due to Industrial Forestry Operations

article

An isotopic baseline (δ13C, δ15N) for fishes of Lake Winnipeg: Implications for investigating impacts of eutrophication and invasive species

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

scientific article published on March 2015

Anthropogenic contributions to mercury levels in present-day Arctic animals--a review

scientific article published on 25 September 2009

Are Boreal Riparian Bird Communities Unique? Contrasting Riparian and Upland Bird Assemblages in the Boreal Plain of Western Canada

scientific article published on 25 June 2018

Artificial Nest Predation Dynamics Along a Forest Fragmentation Gradient: A Preliminary Analysis

article

Assessing costs of carrying geolocators using feather corticosterone in two species of aerial insectivore

scientific article

Assessing seasonal changes in animal diets with stable-isotope analysis of amino acids: a migratory boreal songbird switches diet over its annual cycle.

scientific article published on 22 March 2018

Assessing waterbird habitat use in coastal evaporative systems using stable isotopes (δ13C, δ15N and δD) as environmental tracers

scientific article published in 2011

BREEDING BIRD COMMUNITIES IN BOREAL FOREST OF WESTERN CANADA: CONSEQUENCES OF “UNMIXING” THE MIXEDWOODS

scholarly article published in The Condor in January 2000

Bird communities associated with live residual tree patches within cut blocks and burned habitat in mixedwood boreal forests

Birds of a feather winter together: migratory connectivity in the Reed Warbler Acrocephalus scirpaceus

article

Breeding Bird Communities in Boreal Forest of Western Canada: Consequences of "Unmixing" the Mixedwoods

article

Breeding origin and spatial distribution of migrant and resident harriers in a Mediterranean wintering area: insights from isotopic analyses, ring recoveries and species distribution modelling

article

CHANGES IN BIRD COMMUNITIES IN BOREAL MIXEDWOOD FOREST: HARVEST AND WILDFIRE EFFECTS OVER 30 YEARS

scholarly article by Keith A. Hobson & Jim Schieck published August 1999 in Ecological Applications

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

scientific article

Can a ‘wintering area effect’ explain population status of Swainson's hawks? A stable isotope approach

article

Changes in food web structure alter trends of mercury uptake at two seabird colonies in the Canadian Arctic.

scientific article

Changes in trophic position affect rates of contaminant decline at two seabird colonies in the Canadian Arctic

scientific article

Chapter 4: Introduction to Stable Isotopes in Food Webs

scientific article published on 15 July 2017

Combining Denitrifying Bacteria and Laser Spectroscopy for Isotopic Analyses (δ(15)N, δ(18)O) of Dissolved Nitrate

scientific article published on 7 July 2015

Combining stable hydrogen (δ2H) isotopes and geolocation to assign Scaly-sided Mergansers to moult river catchments

Combining stable-isotope (deltaD) and band recovery data to improve probabilistic assignment of migratory birds to origin

scientific article

Comparing the Effects of Landscape Fragmentation by Forestry and Agriculture on Predation of Artificial Nests

scholarly article by Erin M. Bayne & Keith A. Hobson published 2 December 1997 in Conservation Biology

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

Comparison of methods for stable isotope ratio (δ13C, δ15N, δ2H, δ18O) measurements of feathers

article

Compatibility of preparatory procedures for the analysis of cortisol concentrations and stable isotope (δ13C, δ15N) ratios: a test on brown bear hair

scientific article published on 24 March 2017

Connecting breeding and wintering habitats of migratory piscivorous birds: implications for tracking contaminants (Hg) using multiple stable isotopes

scientific article published on 9 March 2012

Conservation through connectivity: can isotopic gradients in Africa reveal winter quarters of a migratory bird?

scientific article

Conserving migratory land birds in the new world: do we know enough?

scientific article

Contrasting assignment of migratory organisms to geographic origins using long-term versus year-specific precipitation isotope maps

scientific article published in 2014

Contrasting the suitability of shade coffee agriculture and native forest as overwinter habitat for Canada Warbler (Cardellina canadensis) in the Colombian Andes

scientific article published on 10 February 2020

Correction: A Continent-Wide Migratory Divide in North American Breeding Barn Swallows (Hirundo rustica).

scientific article published on 14 July 2015

Correction: Within-Site Variation in Feather Stable Hydrogen Isotope (δ2Hf) Values of Boreal Songbirds: Implications for Assignment to Molt Origin

scientific article

Corrigendum to “Environmental and life-history factors influence inter-colony multidimensional niche metrics of a breeding Arctic marine bird” [Sci. Total Environ. 796 (2021) 148935]

scientific article published in 2022

Critique: measuring hydrogen stable isotope abundance of proteins to infer origins of wildlife, food and people.

scientific article published in April 2013

Deciphering the structure of the West Greenland marine food web using stable isotopes (δ13C, δ15N)

scholarly article by Jannie Fries Linnebjerg et al published 15 October 2016 in Marine Biology

Defining fish community structure in Lake Winnipeg using stable isotopes (δ(13)C, δ(15)N, δ(34)S): implications for monitoring ecological responses and trophodynamics of mercury & other trace elements

scientific article published on 15 August 2014

Differential migration and the link between winter latitude, timing of migration, and breeding in a songbird

scientific article

Disease dynamics and bird migration--linking mallards Anas platyrhynchos and subtype diversity of the influenza A virus in time and space

scientific article

Do Healthy Monarchs Migrate Farther? Tracking Natal Origins of Parasitized vs. Uninfected Monarch Butterflies Overwintering in Mexico

scientific article published on 25 November 2015

Does a lack of design and repeatability compromise scientific criticism? A response to Smith et al. (2009)

scientific article published in 2009

ECOLOGICAL AND PHYSIOLOGICAL VARIANCE IN T-CELL MEDIATED IMMUNE RESPONSE IN CORY'S SHEARWATERS

scientific article published in 2006

Earlier and slower or later and faster: Spring migration pace linked to departure time in a Neotropical migrant songbird

scientific article published on 29 September 2020

Effects of size and diet on stable hydrogen isotope values (δD) in fish: implications for tracing origins of individuals and their food sources

Effects of tanning on the stable isotopic compositions of hair

article

Endogenous contributions to egg protein formation in lesser scaup Aythya affinis

article by Kyle A. Cutting et al published November 2011 in Journal of Avian Biology

Energy reserves stored by migrating Gray-cheeked ThrushesCatharus minimusat a spring stopover site in northern Colombia are sufficient for a long-distance flight to North America

article

Ensuring tests of conservation interventions build on existing literature

scientific article published on 01 August 2020

Estimated Avian Nest Loss Associated with Oil and Gas Exploration and Extraction in the Western Canadian Sedimentary Basin

article

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

scientific article published on 11 March 2022

Examination of the bioaccumulation of halogenated dimethyl bipyrroles in an Arctic marine food web using stable nitrogen isotope analysis

scientific article published in January 2002

Expanding the Isotopic Toolbox: Applications of Hydrogen and Oxygen Stable Isotope Ratios to Food Web Studies

scientific article published in 2016

Experienced migratory songbirds do not display goal-ward orientation after release following a cross-continental displacement: an automated telemetry study

scientific 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

article

Flyway population delineation in Taiga Bean GeeseAnser fabalis fabalisrevealed by multi-element feather stable isotope analysis

article

Food web structure in exotic eucalyptus plantations in Southern China: Stable isotope (δ13C, δ15N) analyses reveal the importance of understory and landscape-level planning

scientific article published on 10 September 2020

Foraging segregation between two closely related shearwaters breeding in sympatry.

scientific article

Foraging segregation in tropical and polar seabirds: Testing the Intersexual Competition Hypothesis

article

Frugal cannibals: how consuming conspecific tissues can provide conditional benefits to wood frog tadpoles (Lithobates sylvaticus)

scientific article published on 18 February 2014

Fuel loads acquired at a stopover site influence the pace of intercontinental migration in a boreal songbird

scientific article

Future Directions and Challenges for Using Stable Isotopes in Advancing Terrestrial Animal Migration Research

Geographic origin and migration phenology of European red admirals () as revealed by stable isotopes

scientific article published in 2018

Geographical assignment of polar bears using multi-element isoscapes

scientific article published on 28 June 2019

Global application of stable hydrogen and oxygen isotopes to wildlife forensics.

scientific article

Heterogeneity in stable isotope profiles predicts coexistence of populations of barn swallows Hirundo rustica differing in morphology and reproductive performance

scientific article

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

scientific article published in 2004

Identifying the African wintering grounds of hybrid flycatchers using a multi-isotope (δ2H, δ13C, δ15N) assignment approach

scientific article

Immune profiles vary seasonally, but are not significantly related to migration distance or natal dispersal, in a migratory songbird

scientific article published on 01 June 2017

Inferring spatial patterns of mercury exposure in migratory boreal songbirds: Combining feather mercury and stable isotope (δ2H) measurements

scientific article published on 26 October 2020

Inferring the ecology of willow warblers during their winter moult by sequential stable isotope analyses of remiges

article

Influence of nest-site vegetation and predator community on the success of artificial songbird nests

scientific article published in 1999

Isoscape Computation and Inference of Spatial Origins With Mixed Models Using the R package IsoriX

scientific article published in 2019

Isotopic discrimination between food and blood and feathers of captive penguins: implications for dietary studies in the wild

scientific article published on 01 January 2005

Isotopic evidence that dragonflies (Pantala flavescens) migrating through the Maldives come from the northern Indian subcontinent

scientific article published in 2012

Large-Scale Conversion of Forest to Agriculture in the Boreal Plains of Saskatchewan

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

scientific article

Lekking birds in a tropical forest forego sex for migration

scientific article

Linking hydrogen (δ2H) isotopes in feathers and precipitation: sources of variance and consequences for assignment to isoscapes

scientific article published in 2012

Long-term winter-site fidelity in Song Sparrows (Melospiza melodia)

scientific article published in 2019

Mast pulses shape trophic interactions between fluctuating rodent populations in a primeval forest

scientific article

Mercury and other trace elements in a pelagic Arctic marine food web (Northwater Polynya, Baffin Bay).

scientific article

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

scientific article published on 12 July 2020

Migration distance as a selective episode for wing morphology in a migratory insect

scientific article published on 05 April 2017

Migration distance does not predict blood parasitism in a migratory songbird

scientific article published on 01 July 2019

Migration strategy affects avian influenza dynamics in mallards (Anas platyrhynchos) ⬇️

scientific article published on September 13, 2012

Migratory birds as vehicles for parasite dispersal? Infection by avian haemosporidians over the year and throughout the range of a long-distance migrant

scientific article published on 15 November 2018

Migratory connectivity of a Neotropical migratory songbird revealed by archival light-level geolocators.

scientific article published on March 2015

Migratory connectivity of the monarch butterfly (Danaus plexippus): patterns of spring re-colonization in eastern North America

scientific article

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

scientific article

Modeling and field-testing of Ovenbird (Seiurus aurocapillus) responses to boreal forest dissection by energy sector development at multiple spatial scales

article

Monarch butterflies cross the Appalachians from the west to recolonize the east coast of North America

scientific article

Multi-Isotopic (δ2H, δ13C, δ15N) Tracing of Molt Origin for Red-Winged Blackbirds Associated with Agro-Ecosystems

scientific article

Multi-tissue stable-isotope analyses can identify dietary specialization

scientific article published in 2016

Natural and anthropogenic factors affecting the feeding ecology of a top marine predator, the Magellanic penguin

scientific article published in 2014

No evidence for assortative mating within a willow warbler migratory divide

scientific article

Nutritional consequences of breeding away from riparian habitats in Bank Swallows: new evidence from multiple endogenous markers

scientific article published on 02 January 2021

Older female little penguins Eudyptula minor adjust nutrient allocations to both eggs

scientific article published in 2015

On the use of stable oxygen isotope (δ (18)O) measurements for tracking avian movements in North America

scientific article

Opinion: Why we need a centralized repository for isotopic data

scientific article

Organochlorine contaminants in seven species of Arctic seabirds from northern Baffin Bay

scientific article published on 01 January 2004

Origins of juvenile Woodcock (Scolopax rusticola) harvested in Spain inferred from stable hydrogen isotope (δ 2H) analyses of feathers

article

Phylogeography of a widespread North American migratory songbird (Setophaga ruticilla).

scientific article published on 8 May 2008

Population structure and migratory directions of Scandinavian bluethroatsLuscinia svecica- a molecular, morphological and stable isotope analysis

scientific article published in 2008

Positive relationships between association strength and phenotypic similarity characterize the assembly of mixed-species bird flocks worldwide.

scientific article published on 30 October 2012

Predation on artificial nests in relation to forest type: contrasting the use of quail and plasticine eggs

scientific article published in 1997

Prey consumption and trace element concentrations in double-crested cormorants ( Phalacrocorax auritus ) from Lake Winnipeg, Canada

article

Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids

scientific article published on 10 December 2020

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

article

Range‐wide populations of a long‐distance migratory songbird converge during stopover in the tropics

scientific article published in 2019

Rapidly increasing methyl mercury in endangered ivory gull (Pagophila eburnea) feathers over a 130 year record

scientific article

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

scientific article published on 5 May 2017

Recent advances in understanding migration systems of New World land birds

scientific article published in 2010

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

scientific article published on 3 January 2017

Relative use of contiguous and fragmented boreal forest by red squirrels (Tamiasciurus hudsonicus)

scientific article published in 2000

Relaying propensity and characteristics of replacement clutches of Leach’s Storm-Petrels (Oceanodroma leucorhoa)

article by Alexander L. Bond & Keith A. Hobson published March 2015 in Canadian Journal of Zoology

Reporting Stable-Isotope Ratios in Ecology: Recommended Terminology, Guidelines and Best Practices

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

article by Joan Navarro et al published 27 August 2009 in Marine Biology

Sexual size dimorphism and discriminant functions for predicting the sex of Atlantic Puffins (Fratercula arctica)

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

scientific article

Solving a migration riddle using isoscapes: house martins from a Dutch village winter over West Africa

scientific article

Space-time tradeoffs in the development of precipitation-based isoscape models for determining migratory origin

Spatial variation in egg size of a top predator: Interplay of body size and environmental factors?

article by Maite Louzao et al published September 2008 in Acta Oecologica

Spatio-temporal variation of nitrate sources to Lake Winnipeg using N and O isotope (δ15N, δ18O) analyses

article

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

Stable Isotopes (δ13C, δ15N) Combined with Conventional Dietary Approaches Reveal Plasticity in Central-Place Foraging Behavior of Little Penguins Eudyptula minor

article by André Chiaradia et al published 11 January 2016 in Frontiers in Ecology and Evolution

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

article by David X. Soto et al published 7 February 2013 in Functional Ecology

Stable isotope ecology: an introduction

scientific article published in August 1999

Stable isotopes (δD and δ13C) are geographic indicators of natal origins of monarch butterflies in eastern North America

scientific article published in August 1999

Stable isotopes as indicators of altitudinal distributions and movements in an Ecuadorean hummingbird community.

scientific article published on 20 May 2003

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

scientific article published in July 2007

Stable isotopes in ecological studies.

scientific article

Stable isotopes reveal captive vs wild origin of illegally captured songbirds in France

scientific article published on 26 July 2019

Stable-hydrogen isotope heterogeneity in keratinous materials: mass spectrometry and migratory wildlife tissue subsampling strategies

scientific article published in January 2006

Stable-hydrogen isotope measures of natal dispersal reflect observed population declines in a threatened migratory songbird

scientific article published in 2012

Temporal Patterns of Predation on Artificial Nests in the Southern Boreal Forest

scientific article published in 1997

Temporal patterns of foraging by silver-haired bats during migratory stopover revealed by isotopic analyses (δ13C) of breath CO2

scientific article published on 18 April 2020

Temporal trends of mercury in Greenland ringed seal populations in a warming climate ⬇️

scientific article published on November 15, 2012

Temporal trends of mercury in marine biota of west and northwest Greenland

scientific article published on 16 October 2006

Temporal trends of selected POPs and the potential influence of climate variability in a Greenland ringed seal population

scientific article

Testosterone, migration distance, and migratory timing in song sparrows Melospiza melodia

scientific article published on 14 August 2016

The effects of habitat fragmentation by forestry and agriculture on the abundance of small mammals in the southern boreal mixedwood forest

scientific article published on 24 April 2011

The efficacy of scale sampling for monitoring trace element concentrations and stable isotopes in commercially harvested walleye (Sander vitreus).

scientific article published on 26 March 2015

The influence of breeding colony and sex on mercury, selenium and lead levels and carbon and nitrogen stable isotope signatures in summer and winter feathers of Calonectris shearwaters.

scientific article published on 12 November 2008

The influence of metabolic effects on stable hydrogen isotopes in tissues of aquatic organisms

scientific article published on 15 August 2013

Toward a Deuterium Feather Isoscape for Sub-Saharan Africa: Progress, Challenges and the Path Ahead

scientific article published on 10 September 2015

Trace element concentrations in harvested auks from Newfoundland: Toxicological risk of a traditional hunt.

scientific article

Tracing waterbird exposure to total mercury and selenium: a case study at the solar saltworks of Thyna (sfax, Tunisia).

scientific article

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

scientific article published on 03 September 2019

Tracking cats: problems with placing feline carnivores on δO, δD isoscapes

scientific article (publication date: 2011)

Tracking data and retrospective analyses of diet reveal the consequences of loss of marine subsidies for an obligate scavenger, the Andean condor

scientific article published on 01 May 2018

Tracking multi-generational colonization of the breeding grounds by monarch butterflies in eastern North America

scientific article published on 7 August 2013

Tracking natal dispersal in a coastal population of a migratory songbird using feather stable isotope (δ2H, δ34S) tracers

scientific article

Turnover of hydrogen isotopes in lake sturgeon blood: implications for tracking movements of wild populations.

scientific article published on 16 March 2016

Unravelling migration connectivity reveals unsustainable hunting of the declining ortolan bunting

scientific article published on 22 May 2019

Using Stable Hydrogen Isotope Analysis of Feathers to Delineate Origins of Harvested Sandhill Cranes in the Central Flyway of North America

article

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

scientific article published in November 2016

Using stable hydrogen and oxygen isotope measurements of feathers to infer geographical origins of migrating European birds

scientific article published on 31 July 2004

Using stable hydrogen isotopes (δ2H) and ring recoveries to trace natal origins in a Eurasian passerine with a migratory divide

Using stable isotope (δ13C, δ15N) values from feces and breath to infer shorebird diets

scientific article published in 2022

Within-Site Variation in Feather Stable Hydrogen Isotope (δ2Hf) Values of Boreal Songbirds: Implications for Assignment to Molt Origin.

scientific article

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