Immune function and blood parasite infections impact stopover ecology in passerine birds

Low intensity blood parasite infections do not reduce the aerobic performance of migratory birds

(2018) Steffen Hahn et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

A mimicked bacterial infection prolongs stopover duration in songbirds-but more pronounced in short- than long-distance migrants

(2018) Arne Hegemann et al.   JOURNAL OF ANIMAL ECOLOGY

Geographical and temporal variation in environmental conditions affects nestling growth but not immune function in a year-round breeding equatorial lark

(2017) Henry K. Ndithia et al.   Frontiers in Zoology

Indices of immune function used by ecologists are mostly unaffected by repeated freeze-thaw cycles and methodological deviations

(2017) Arne Hegemann et al.   Frontiers in Zoology

Migratory animals feel the cost of getting sick: A meta-analysis across species

(2017) Alice Risely et al.   JOURNAL OF ANIMAL ECOLOGY

Endocrine regulation of fueling by hyperphagia in migratory birds

(2017) Cas Eikenaar   JOURNAL OF COMPARATIVE PHYSIOLOGY A-NEUROETHOLOGY SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY

How do energy stores and changes in these affect departure decisions by migratory birds? A critical view on stopover ecology studies and some future perspectives

(2017) Heiko Schmaljohann et al.   JOURNAL OF COMPARATIVE PHYSIOLOGY A-NEUROETHOLOGY SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY

Ghrelin affects stopover decisions and food intake in a long-distance migrant

(2017) Wolfgang Goymann et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Corticosterone and timing of migratory departure in a songbird

(2017) Cas Eikenaar et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Migratory common blackbirds have lower innate immune function during autumn migration than resident conspecifics

(2016) Cas Eikenaar et al.   Biology Letters

Photoperiod but not food restriction modulates innate immunity in an opportunistic breeder,Loxia curvirostra

(2016) Elizabeth M. Schultz et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Corticosterone rapidly suppresses innate immune activity in the house sparrow (Passer domesticus)

(2016) Sisi Gao et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Vitally important - does early innate immunity predict recruitment and adult innate immunity?

(2016) Anke Vermeulen et al.   Ecology and Evolution

Towards a conceptual framework for explaining variation in nocturnal departure time of songbird migrants

(2016) Florian Müller et al.   Movement Ecology

Causes and Consequences of Partial Migration in a Passerine Bird

(2015) Arne Hegemann et al.   AMERICAN NATURALIST

Weather and fuel reserves determine departure and flight decisions in passerines migrating across the Baltic Sea

(2015) Sissel Sjöberg et al.   ANIMAL BEHAVIOUR

Nocturnal migratory songbirds adjust their travelling direction aloft: evidence from a radiotelemetry and radar study

(2015) Sissel Sjöberg et al.   Biology Letters

Causes and characteristics of reverse bird migration: an analysis based on radar, radio tracking and ringing at Falsterbo, Sweden

(2015) Cecilia Nilsson et al.   JOURNAL OF AVIAN BIOLOGY

Parasite load and seasonal migration in red deer

(2015) Atle Mysterud et al.   OECOLOGIA

Weak negative associations between avian influenza virus infection and movement behaviour in a key host species, the mallardAnas platyrhynchos

(2015) Jacintha G. B. van Dijk et al.   OIKOS

Hidden costs of infection: Chronic malaria accelerates telomere degradation and senescence in wild birds

(2015) M. Asghar et al.   SCIENCE

Genetic and phenotypically flexible components of seasonal variation in immune function

(2014) M. A. Versteegh et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Environmental proxies of antigen exposure explain variation in immune investment better than indices of pace of life

(2014) Nicholas P. C. Horrocks et al.   OECOLOGIA

Physiological and Behavioral Responses to an Acute-Phase Response in Zebra Finches: Immediate and Short-Term Effects

(2014) Sandra Sköld-Chiriac et al.   PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY

Differences in Speed and Duration of Bird Migration between Spring and Autumn

(2013) Cecilia Nilsson et al.   AMERICAN NATURALIST

Offspring pay sooner, parents pay later: experimental manipulation of body mass reveals trade-offs between immune function, reproduction and survival

(2013) Arne Hegemann et al.   Frontiers in Zoology

Co-infections by malaria parasites decrease feather growth but not feather quality in house martin

(2013) Alfonso Marzal et al.   JOURNAL OF AVIAN BIOLOGY

Immune response to an endotoxin challenge involves multiple immune parameters and is consistent among the annual-cycle stages of a free-living temperate zone bird

(2013) A. Hegemann et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Physiological mechanisms mediating costs of immune responses: what can we learn from studies of birds?

(2012) Dennis Hasselquist et al.   ANIMAL BEHAVIOUR

Baseline haptoglobin concentrations are repeatable and predictive of certain aspects of a subsequent experimentally-induced inflammatory response

(2012) Kevin D. Matson et al.   COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY

Immune function in a free-living bird varies over the annual cycle, but seasonal patterns differ between years

(2012) Arne Hegemann et al.   OECOLOGIA

Ecophysiology of avian migration in the face of current global hazards

(2012) M. Klaassen et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Immune Indexes of Larks from Desert and Temperate Regions Show Weak Associations with Life History but Stronger Links to Environmental Variation in Microbial Abundance

(2012) Nicholas P. C. Horrocks et al.   PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY

Wild Skylarks Seasonally Modulate Energy Budgets but Maintain Energetically Costly Inflammatory Immune Responses throughout the Annual Cycle

(2012) Arne Hegemann et al.   PLoS One

Optimal bird migration revisited

(2011) Thomas Alerstam   JOURNAL OF ORNITHOLOGY

Are chronic avian haemosporidian infections costly in wild birds?

(2011) Muhammad Asghar et al.   JOURNAL OF AVIAN BIOLOGY

Landscape Movements of Migratory Birds and Bats Reveal an Expanded Scale of Stopover

(2011) Philip D. Taylor et al.   PLoS One

Body fat influences departure from stopover sites in migratory birds: evidence from whole-island telemetry

(2010) W. Goymann et al.   Biology Letters

How Do Migratory Species Stay Healthy Over the Annual Cycle? A Conceptual Model for Immune Function and For Resistance to Disease

(2010) Deborah M. Buehler et al.   INTEGRATIVE AND COMPARATIVE BIOLOGY

Carry-over effects as drivers of fitness differences in animals

(2010) Xavier A. Harrison et al.   JOURNAL OF ANIMAL ECOLOGY

Stopover decision during migration: physiological conditions predict nocturnal restlessness in wild passerines

(2009) L. Fusani et al.   Biology Letters

Carotenoid and melanin-based ornaments signal similar aspects of male quality in two populations of the common yellowthroat

(2009) Peter O. Dunn et al.   FUNCTIONAL ECOLOGY

Effects of the swimbladder parasiteAnguillicola crassuson the migration of European silver eelsAnguilla anguillain the Baltic Sea

(2009) N. B. Sjöberg et al.   JOURNAL OF FISH BIOLOGY

MalAvi: a public database of malaria parasites and related haemosporidians in avian hosts based on mitochondrial cytochromeblineages

(2009) STAFFAN BENSCH et al.   Molecular Ecology Resources

Limited Access to Food and Physiological Trade‐Offs in a Long‐Distance Migrant Shorebird. II. Constitutive Immune Function and the Acute‐Phase Response

(2009) Deborah M. Buehler et al.   PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY

Effects of influenza A virus infection on migrating mallard ducks

(2009) N. Latorre-Margalef et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Fuel reserves affect migratory orientation of thrushes and sparrows both before and after crossing an ecological barrier near their breeding grounds

(2008) Mark E. Deutschlander et al.   JOURNAL OF AVIAN BIOLOGY

Effects of malaria double infection in birds: one plus one is not two

(2008) A. MARZAL et al.   JOURNAL OF EVOLUTIONARY BIOLOGY

Constitutive Immune Function Responds More Slowly to Handling Stress than Corticosterone in a Shorebird

(2008) Deborah M. Buehler et al.   PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY

Travelling on a budget: predictions and ecological evidence for bottlenecks in the annual cycle of long-distance migrants

(2007) D. M Buehler et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES