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List of works by Kaspar Delhey

A review of Gloger's rule, an ecogeographical rule of colour: definitions, interpretations and evidence

scientific article published on 20 March 2019

Are long-term widespread avian body size changes related to food availability? A test using contemporaneous changes in carotenoid-based color.

scientific article

Avian predation intensity as a driver of clinal variation in colour morph frequency

scientific article published on 10 September 2018

Body size and climate as predictors of plumage colouration and sexual dichromatism in parrots

scientific article published on 14 August 2020

Body size and climate as predictors of plumage colouration and sexual dichromatism in parrots

Bright birds are cautious: seasonally conspicuous plumage prompts risk avoidance by male superb fairy-wrens.

scientific article published in June 2017

Conservation implications of anthropogenic impacts on visual communication and camouflage

scientific article

Conspicuous Plumage Does Not Increase Predation Risk: A Continent-Wide Test Using Model Songbirds

scientific article published on 23 January 2019

Conspicuous plumage colours are highly variable

scientific article

Correction to 'The evolution of mimicry of friarbirds by orioles (Aves: Passeriformes) in Australo-Pacific archipelagos'.

scientific article

Cosmetic coloration in birds: occurrence, function, and evolution

scientific article (publication date: 2007)

Darker eggs feel the heat

scientific article published on 01 January 2020

Evolutionary drivers of seasonal plumage colours: colour change by moult correlates with sexual selection, predation risk and seasonality across passerines

scientific article published on 23 August 2019

Fat quill secretion in pigeons: could it function as a cosmetic?

scientific article published in 2010

Females increase offspring heterozygosity and fitness through extra-pair matings

scientific article

From ornament to armament or loss of function? Breeding plumage acquisition in a genetically monogamous bird

scientific article published on 25 June 2018

Gloger's rule

scientific article published on 01 July 2017

Habitat structure is linked to the evolution of plumage colour in female, but not male, fairy-wrens

scientific article

Immunosenescence in wild animals: meta-analysis and outlook

scientific article published on 19 July 2019

Increased conspicuousness can explain the match between visual sensitivities and blue plumage colours in fairy-wrens ⬇️

scientific article published on October 31, 2012

Is color data from citizen science photographs reliable for biodiversity research?

scientific article published on 30 March 2021

Lower breeding success in a new range: No evidence for the enemy release hypothesis in South American Barn Swallows

scientific article published in 2019

Male sexual attractiveness and parental effort in blue tits: a test of the differential allocation hypothesis

Multiple components of feather microstructure contribute to structural plumage colour diversity in fairy-wrens

scholarly article

Nest webs beyond woodpeckers: the ecological role of other nest builders

scientific article published on 26 January 2018

Neutral and selective drivers of colour evolution in a widespread Australian passerine

article

Optical properties of the uropygial gland secretion: no evidence for UV cosmetics in birds

scientific article published on 17 June 2008

Ornaments are equally informative in male and female birds

scientific article published on 7 October 2022

Ornaments are equally informative in males and females: a bivariate meta-analysis in birds

scientific article published on 15 December 2021

Partial or complete? The evolution of post-juvenile moult strategies in passerine birds

scientific article published on 26 September 2020

Paternity analysis reveals opposing selection pressures on crown coloration in the blue tit (Parus caeruleus) ⬇️

scientific article published on October 7, 2003

Plumage colour in nestling blue tits: sexual dichromatism, condition dependence and genetic effects

scientific article

Quantifying variability of avian colours: are signalling traits more variable?

scientific article

Reconciling ecogeographical rules: rainfall and temperature predict global colour variation in the largest bird radiation

scientific article published on 18 February 2019

Seasonal changes in colour: a comparison of structural, melanin- and carotenoid-based plumage colours.

scientific article

Territorial responses of male blue tits, Cyanistes caeruleus, to UV-manipulated neighbours

article

The Condition-Dependent Development of Carotenoid-Based and Structural Plumage in Nestling Blue Tits: Males and Females Differ

scientific article published on 01 January 2007

The carotenoid conundrum: improved nutrition boosts plasma carotenoid levels but not immune benefits of carotenoid supplementation

scientific article published on 8 February 2011

The carotenoid-continuum: carotenoid-based plumage ranges from conspicuous to cryptic and back again

scientific article

The colour of an avifauna: A quantitative analysis of the colour of Australian birds

scientific article

The effect of skin reflectance on thermal traits in a small heliothermic ectotherm.

scientific article published on 21 June 2016

The effects of life history and sexual selection on male and female plumage colouration

scientific article published on 4 November 2015

The evolution of mimicry of friarbirds by orioles (Aves: Passeriformes) in Australo-Pacific archipelagos.

scientific article

The influence of nest-site choice and predator sensory cues on nesting success in the Crimson Finch (Neochmia phaeton)

scientific article published in 2015

Trade-offs between immune investment and sexual signaling in male mallards

scientific article

Why climate change should generally lead to lighter coloured animals

scientific article published on 01 December 2020

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