Sonja C. Ludwig

发表

Immigration prevents inbreeding in a growing colony of a long‐lived and philopatric seabird

Peter H. Becker, P. Becker, S. Ludwig, 2012 .

Intra-sexual competition alters the relationship between testosterone and ornament expression in a wild territorial bird

S. Redpath, S. Ludwig, J. Martínez-Padilla, 2014, Hormones and Behavior.

Effects of mate separation in female and social isolation in male free-living Greylag geese on behavioural and physiological measures

K. Kotrschal, S. Ludwig, K. Kapetanopoulos, 2017, Behavioural Processes.

Responses of breeding waders to restoration of grouse management on a moor in South-West Scotland

Staffan Roos, S. Ludwig, D. Baines, 2019, Journal of Ornithology.

Differential responses of heather and red grouse to long-term spatio-temporal variation in sheep grazing

Des B. A. Thompson, Staffan Roos, N. Aebischer, 2020, Biodiversity and Conservation.

Long-term changes in the abundance and breeding success of raptors and ravens in periods of varying management of a Scottish grouse moor

Staffan Roos, D. Baines, Sonja C. Ludwig, 2020 .

Measures of predator diet alone may underestimate the collective impact on prey: Common buzzard Buteo buteo consumption of economically important red grouse Lagopus lagopus scotica

M. Whittingham, N. Aebischer, S. Ludwig, 2019, PloS one.

Population responses of Red Grouse Lagopus lagopus scotica to expansion of heather Calluna vulgaris cover on a Scottish grouse moor

Jeremy D. Wilson, D. Bubb, Staffan Roos, 2018 .

Survival of chicks and adults explains variation in population growth in a recovering red grouse Lagopus lagopus scotica population

D. Bubb, Staffan Roos, N. Aebischer, 2018, Wildlife Biology.

Long-term trends in abundance and breeding success of red grouse and hen harriers in relation to changing management of a Scottish grouse moor

D. Bubb, Staffan Roos, S. Ludwig, 2017, Wildlife Biology.

Supply and demand: causes and consequences of assortative mating in common terns Sterna hirundo

P. Becker, S. Ludwig, Sonja C. Ludwig, 2008, Behavioral Ecology and Sociobiology.

Within-season divorce in Common Terns Sterna hirundo in a year of heavy predation

P. Becker, Sonja C. Ludwig, 2008, Journal of Ornithology.

Timing of initial arrival at the breeding site predicts age at first reproduction in a long-lived migratory bird

P. Becker, T. Dittmann, J. Ludwigs, 2008, Proceedings of the National Academy of Sciences.

Postfledging Survival, Movements, and Dispersal of Ring Ouzels (Turdus torquatus)

I. Sim, M. Grant, J. Reid, 2013 .

Condition- and parasite-dependent expression of a male-like trait in a female bird

J. A. Haines, P. Vergara, S. Redpath, 2011, Biology Letters.

Diversionary feeding and nestling diet of Hen Harriers Circus cyaneus

D. Bubb, A. Mccluskie, Staffan Roos, 2018, Bird Study.

Excretion patterns of coccidian oocysts and nematode eggs during the reproductive season in Northern Bald Ibis (Geronticus eremita)

K. Kotrschal, D. Frigerio, S. Ludwig, 2016, Journal of Ornithology.

trait in a female bird Condition- and parasite-dependent expression of a male-like

P. Vergara, S. Redpath, S. Ludwig, 2011 .

Numerical and functional responses of Common Buzzards Buteo buteo to prey abundance on a Scottish grouse moor

M. Whittingham, Staffan Roos, S. Ludwig, 2017 .

Characterizing demographic variation and contributions to population growth rate in a declining population.

I. Sim, M. Grant, J. Reid, 2011, The Journal of animal ecology.

Social and environmental factors modulate leucocyte profiles in free-living Greylag geese (Anser anser)

K. Kotrschal, D. Frigerio, S. Ludwig, 2017, PeerJ.

Waiting for the mate? Spatial behaviour of common terns, Sterna hirundo, during courtship

P. Becker, S. Ludwig, Sonja C. Ludwig, 2006, Animal Behaviour.

Seasonal variation in foraging conditions for Ring Ouzels Turdus torquatus in upland habitats and their effects on juvenile habitat selection

I. Sim, S. Redpath, M. Grant, 2013 .

Fluctuations in field vole abundance indirectly influence red grouse productivity via a shared predator guild

Staffan Roos, S. Ludwig, D. Baines, 2020, Wildlife Biology.

Experimentally elevated levels of testosterone at independence reduce fitness in a territorial bird.

S. Redpath, J. Martínez-Padilla, L. Pérez‐Rodríguez, 2014, Ecology.

Retrospective comparisons of competing demographic models give clarity from “messy” management on a Scottish grouse moor

N. Aebischer, L. Powell, S. Ludwig, 2022, Ecological applications : a publication of the Ecological Society of America.