Hoopoes color their eggs with antimicrobial uropygial secretions

Bacteriocins with a broader antimicrobial spectrum prevail in enterococcal symbionts isolated from the hoopoe's uropygial gland

(2013) Magdalena Ruiz-Rodríguez et al.   FEMS MICROBIOLOGY ECOLOGY

Dark tree cavities - a challenge for hole nesting birds?

(2012) Tomasz Wesołowski et al.   JOURNAL OF AVIAN BIOLOGY

The evolution of size of the uropygial gland: mutualistic feather mites and uropygial secretion reduce bacterial loads of eggshells and hatching failures of European birds

(2012) J. J. Soler et al.   JOURNAL OF EVOLUTIONARY BIOLOGY

Antimicrobial Activity and Genetic Profile of Enteroccoci Isolated from Hoopoes Uropygial Gland

(2012) Magdalena Ruiz-Rodríguez et al.   PLoS One

The effects of preen oils and soiling on the UV–visible reflectance of carotenoid-pigmented feathers

(2011) Lorenzo Pérez-Rodríguez et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Sexual selection based on egg colour: physiological models and egg discrimination experiments in a cavity-nesting bird

(2011) Jesús M. Avilés et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Cosmetic enhancement of signal coloration: experimental evidence in the house finch

(2010) Isabel López-Rull et al.   BEHAVIORAL ECOLOGY

Robin’s egg blue: does egg color influence male parental care?

(2010) Philina A. English et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Greater flamingos Phoenicopterus roseus use uropygial secretions as make-up

(2010) Juan A. Amat et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

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

Is sexual selection blurring the functional significance of eggshell coloration hypotheses?

(2009) S. James Reynolds et al.   ANIMAL BEHAVIOUR

Photodynamic antimicrobial activity of avian eggshell pigments

(2009) Shin-ichi Ishikawa et al.   FEBS LETTERS

Feather micro-organisms and uropygial antimicrobial defences in a colonial passerine bird

(2009) Anders P. Møller et al.   FUNCTIONAL ECOLOGY

Seasonal, sexual and developmental differences in hoopoe Upupa epops preen gland morphology and secretions: evidence for a role of bacteria

(2009) Manuel Martín-Vivaldi et al.   JOURNAL OF AVIAN BIOLOGY

Avian colour perception predicts behavioural responses to experimental brood parasitism in chaffinches

(2009) J. M. AVILÉS et al.   JOURNAL OF EVOLUTIONARY BIOLOGY

Symbiotic bacteria living in the hoopoe's uropygial gland prevent feather degradation

(2009) M. Ruiz-Rodriguez et al.   JOURNAL OF EXPERIMENTAL BIOLOGY

Ectoparasites, uropygial glands and hatching success in birds

(2009) Anders Pape Møller et al.   OECOLOGIA

Antimicrobial chemicals in hoopoe preen secretions are produced by symbiotic bacteria

(2009) M. Martin-Vivaldi 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

Experimental support for the makeup hypothesis in nestling tawny owls (Strix aluco)

(2008) Romain Piault et al.   BEHAVIORAL ECOLOGY

Blue-Green Eggs in Pied Flycatchers: An Experimental Demonstration that a Supernormal Stimulus Elicits Improved Nestling Condition

(2008) Juan Moreno et al.   ETHOLOGY

Symbiotic association between hoopoes and antibiotic-producing bacteria that live in their uropygial gland

(2008) J. J. Soler et al.   FUNCTIONAL ECOLOGY

Sexually Selected Egg Coloration in Spotless Starlings

(2007) Juan J. Soler et al.   AMERICAN NATURALIST