Sonja V. Schaper

Agricultural and Biological Sciences · Life Sciences

15h-index1.2kcitations25works0.02yr avg
OpenAlex↗Google Scholar↗

Accepting Students?

No reports yet. Know if this professor is taking students?

Research Topics

Animal Behavior and Reproduction(16), Avian ecology and behavior(14), Plant and animal studies(8), Wildlife Ecology and Conservation(3), Genetic and phenotypic traits in livestock(3)

Publications25 total

Maternal egg hormones in the mating context: the effect of pair personality : lay summary
KNAW research portal (Royal Academy of Art and Sciences (KNAW))·2018Open Access
Maternal egg hormones in the mating context: The effect of pair personality
Functional Ecology·2017· 13 citedOpen Access
Egg thyroid hormones: An unexplored mechanism for maternal effects in birds
Data Archiving and Networked Services (DANS)·2017· 1 cited
Heritable variation in maternally derived yolk androgens, thyroid hormones and immune factors
Heredity·2016· 21 citedOpen Access
Temperature-induced variation in yolk androgen and thyroid hormone levels in avian eggs
General and Comparative Endocrinology·2016· 25 citedOpen Access
Heritability of gonad size varies across season in a wild songbird
Journal of Evolutionary Biology·2013· 9 citedOpen Access
The Case of the Missing Mechanism: How Does Temperature Influence Seasonal Timing in Endotherms?
PLoS Biology·2013· 150 citedOpen Access
Is microevolution the only emergency exit in a warming world? Temperature influences egg laying but not its underlying mechanisms in great tits
General and Comparative Endocrinology·2013· 21 citedOpen Access
Great tits provided with ad libitum food lay larger eggs when exposed to colder temperatures
Journal of Avian Biology·2013· 14 cited
Individual variation in avian reproductive physiology does not reliably predict variation in laying date
General and Comparative Endocrinology·2012· 51 citedOpen Access
A Single Long Day Triggers Follicle Growth in Captive Female Great Tits (Parus major) in Winter but Does Not Affect Laying Dates in the Wild in Spring
PLoS ONE·2012· 15 citedOpen Access
Increasing Temperature, Not Mean Temperature, Is a Cue for Avian Timing of Reproduction
The American Naturalist·2012· 162 citedOpen Access
Seasonal timing in a changing climate: the physiological basis of phenotypic plasticity and its evolutionary potential
Data Archiving and Networked Services (DANS)·2012· 2 citedOpen Access
Seasonal timing in a changing climate
2012
Corticosterone responses differ between lines of great tits (Parus major) selected for divergent personalities
General and Comparative Endocrinology·2011· 132 cited
Spring phenology does not affect timing of reproduction in the great tit (<i>Parus major</i>)
Journal of Experimental Biology·2011· 39 citedOpen Access
How Much Variation in the Molt Duration of Passerines can be Explained by the Growth Rate of Tail Feathers?
The Auk·2011· 41 citedOpen Access
Genetic variation in cue sensitivity involved in avian timing of reproduction
Functional Ecology·2011· 61 citedOpen Access
Schaper et al 2011 Am Nat file 2 molt
DRYAD·2011Open Access
Schaper et al 2011 Am Nat file 4 temp 2009
DRYAD·2011Open Access
page 1 of 2Next →

Frequent Co-authors

Marcel E. Visser(17), Alistair Dawson(9), P. Samuel(8), P. J. Sharp(7), Phillip Gienapp(6), Kees van Oers(5), Suvi Ruuskanen(5), Alexander T. Baugh(3), Ton G. G. Groothuis(3), Veerle Darras(3), Bonnie de Vries(3), Roxina Soler(2), Т. Martijn Bezemer(2), Jeffrey A. Harvey(2), Luc te Marvelde(2), T. G. G. Groothuis(2), Phillip Gienapp(2), Barbara Helm(1), Roelof A. Hut(1), Gregory F. Ball(1)