Cross-fostering reveals that among-brood differences in ornamental mouth coloration mostly reflect rearing conditions in nestling house sparrows

Honest begging: expanding from Signal of Need

(2011) D. W. Mock et al.   BEHAVIORAL ECOLOGY

Proximate Correlates of Carotenoid-Based Mouth Coloration in Nestling House Sparrows

(2011) Matthew B. Dugas et al.   CONDOR

Dissecting Carotenoid from Structural Components of Carotenoid‐Based Coloration: A Field Experiment with Great Tits (Parus major)

(2010) Alain Jacot et al.   AMERICAN NATURALIST

Can eggs in a cavity be a female secondary sexual signal? Male nest visits and modelling of egg visual discrimination in blue tits

(2010) M.-J. Holveck et al.   Biology Letters

Nestling birds put their best flange forward

(2010) Matthew B. Dugas   JOURNAL OF AVIAN BIOLOGY

Sibling Competition and Conspicuousness of Nestling Gapes in Altricial Birds: A Comparative Study

(2010) Juan J. Soler et al.   PLoS One

House sparrow, Passer domesticus, parents preferentially feed nestlings with mouth colours that appear carotenoid-rich

(2009) Matthew B. Dugas   ANIMAL BEHAVIOUR

Parental provisioning and nestling mortality in house sparrows

(2009) Douglas W. Mock et al.   ANIMAL BEHAVIOUR

Carotenoid-rich mouth colors influence the conspicuousness of nestling birds

(2009) Matthew B. Dugas et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Carotenoids in nestling Montagu’s harriers: variations according to age, sex, body condition and evidence for diet-related limitations

(2009) Audrey Sternalski et al.   JOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMIC AND ENVIRONMENTAL PHYSIOLOGY

Nestlings’ carotenoid feather ornament affects parental allocation strategy and reduces maternal survival

(2009) M. GRIGGIO et al.   JOURNAL OF EVOLUTIONARY BIOLOGY

Maternally invested carotenoids compensate costly ectoparasitism in the hihi

(2009) J. G. Ewen et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

A chemical signal of offspring quality affects maternal care in a social insect

(2009) F. Mas et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Dark Nests and Conspicuousness in Color Patterns of Nestlings of Altricial Birds

(2008) Jesús M. Avilés et al.   AMERICAN NATURALIST

Ultraviolet reflectance of plumage for parent–offspring communication in the great tit (Parus major)

(2008) Marion Tanner et al.   BEHAVIORAL ECOLOGY

Spectral mouth colour of nestlings changes with carotenoid availability

(2008) R. Thorogood et al.   FUNCTIONAL ECOLOGY

Condition dependence of nestling mouth colour and the effect of supplementing carotenoids on parental behaviour in the hihi (Notiomystis cincta)

(2008) John G. Ewen et al.   OECOLOGIA

Condition-dependent effects of corticosterone on a carotenoid-based begging signal in house sparrows

(2007) Claire Loiseau et al.   HORMONES AND BEHAVIOR