Eyespots interact with body colour to protect caterpillar-like prey from avian predators

TJ Hossie, TN Sherratt - Animal Behaviour, 2012 - Elsevier
A wide range of animals possess conspicuous eye-like markings on their bodies, commonly
called 'eyespots'. These markings are generally thought to serve an antipredator function …

An embryo's eye view of avian eggshell pigmentation

G Maurer, SJ Portugal, P Cassey - Journal of Avian Biology, 2011 - Wiley Online Library
Current research into the evolution and adaptive function of avian eggshell pigmentation,
including maculation, has focused mostly on signalling‐based and structural function …

Relative advantages of dichromatic and trichromatic color vision in camouflage breaking

J Troscianko, J Wilson-Aggarwal, D Griffiths… - Behavioral …, 2017 - academic.oup.com
There is huge diversity in visual systems and color discrimination abilities, thought to stem
from an animal's ecology and life history. Many primate species maintain a polymorphism in …

Eggshell spotting does not predict male incubation but marks thinner areas of a shorebird's shells

M Bulla, M Šálek, AG Gosler - The Auk, 2012 - academic.oup.com
Many birds lay eggs speckled with black or reddish-brown spots of protoporphyrin pigment,
but the function of these spots is debated. Two recent hypotheses have received …

Cultural evolution of military camouflage

L Talas, RJ Baddeley, IC Cuthill - … Transactions of the …, 2017 - royalsocietypublishing.org
While one has evolved and the other been consciously created, animal and military
camouflage are expected to show many similar design principles. Using a unique database …

Environmental conditions influence egg color of reed warblers Acrocephalus scirpaceus and their parasite, the common cuckoo Cuculus canorus

JM Avilés, BG Stokke, A Moksnes, E Røskaft… - Behavioral Ecology and …, 2007 - Springer
The outer layer of the eggshell in birds is in many cases covered by pigments that are
assumed to be genetically determined traits with a negligible environmental component. To …

Selection of the intrinsic polarization properties of animal optical materials creates enhanced structural reflectivity and camouflage

KD Feller, TM Jordan, D Wilby… - … Transactions of the …, 2017 - royalsocietypublishing.org
Many animals use structural coloration to create bright and conspicuous visual signals.
Selection of the size and shape of the optical structures animals use defines both the colour …

Eggshell coloration and its importance in postmating sexual selection

M Poláček, M Griggio, I Mikšík, M Bartíková… - Ecology and …, 2017 - Wiley Online Library
Avian eggshell color seems to fulfill multiple functions, some of them being structural and
others signaling. In this study, we tested whether or not eggshell coloration may play a role …

Conspicuous eggs and colourful hypotheses: testing the role of multiple influences on avian eggshell appearance

P Cassey, G Maurer, PG Lovell… - Avian Biology …, 2011 - journals.sagepub.com
The diversity of eggshell colours and patterning across different birds is a fascinating
example of the extended avian phenotype. The avian egg's background colours range from …

Camouflage strategies interfere differently with observer search images

J Troscianko, J Skelhorn… - Proceedings of the …, 2018 - royalsocietypublishing.org
Numerous animals rely on camouflage for defence. Substantial past work has identified the
presence of multiple strategies for concealment, and tested the mechanisms underpinning …