Molluscan shell colour

ST Williams - Biological Reviews, 2017 - Wiley Online Library
The phylum M ollusca is highly speciose, and is the largest phylum in the marine realm. The
great majority of molluscs are shelled, including nearly all bivalves, most gastropods and …

Avian eggshell coloration: new perspectives on adaptive explanations

MI Cherry, AG Gosler - Biological Journal of the Linnean Society, 2010 - academic.oup.com
Recent work suggests that the evolution of egg coloration may have been constrained in
three important ways that have not yet been critically synthesized in any review. First, on …

Extraction and analysis of colourful eggshell pigments using HPLC and HPLC/electrospray ionization tandem mass spectrometry

A Gorchein, CK Lim, P Cassey - Biomedical Chromatography, 2009 - Wiley Online Library
The literature on the pigments of avian eggshells is critically reviewed. Methods using
methanolic sulfuric acid or hydrochloric acid to extract eggshell pigments are unsuitable to …

Sexually selected egg coloration in spotless starlings

JJ Soler, C Navarro, TP Contreras… - The American …, 2008 - journals.uchicago.edu
It has been recently proposed that the blue-green coloration in eggs of many avian species
may constitute a sexually selected female signal. Blue-green color intensity would reflect the …

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

SJ Reynolds, GR Martin, P Cassey - Animal Behaviour, 2009 - academia.edu
This article appeared in a journal published by Elsevier. The attached copy is furnished to the
author for internal non-commerci Page 1 This article appeared in a journal published by …

Presence of the cloud cover and elevation angle of the sun affect measurements of eggshell coloration and patterning obtained from calibrated digital images

K Szala, M Tobolka, A Surmacki - Ecology and Evolution, 2023 - Wiley Online Library
Calibrated digital photography is frequently used in studies focusing on avian eggshell
appearance to measure colour and pattern features. Photographs are often taken in natural …

Eggshell pigmentation indicates pesticide contamination

A Jagannath, RF Shore, LA Walker… - Journal of Applied …, 2008 - Wiley Online Library
Summary 1 Persistent pesticide residues remain a significant environmental pollutant,
reducing breeding success of predatory birds even where such pesticides have been …

[HTML][HTML] Comparison of the total amount of eggshell pigments in Dongxiang brown-shelled eggs and Dongxiang blue-shelled eggs

XT Wang, CJ Zhao, JY Li, GY Xu, LS Lian, CX Wu… - Poultry Science, 2009 - Elsevier
Based on the knowledge of the heme bio-synthetic and metabolic pathway and the
structures of biliverdin and protoporphyrin, experiments were carried out to compare the …

Not so colourful after all: eggshell pigments constrain avian eggshell colour space

D Hanley, T Grim, P Cassey, ME Hauber - Biology letters, 2015 - royalsocietypublishing.org
Birds' eggshells are renowned for their striking colours and varied patterns. Although often
considered exceptionally diverse, we report that avian eggshell coloration, sampled here …

Why are birds' eggs colourful? Eggshell pigments co-vary with life-history and nesting ecology among British breeding non-passerine birds

P Cassey, GH Thomas, SJ Portugal… - Biological Journal of …, 2012 - academic.oup.com
The colourful appearance of bird eggshells has long fascinated biologists and considerable
research effort has focused on the structure and biochemistry of the avian eggshell matrix …