Wall lizards display conspicuous signals to conspecifics and reduce detection by avian predators

KLA Marshall, M Stevens - Behavioral Ecology, 2014 - academic.oup.com
Visual signals are often under conflicting selection to be hidden from predators while being
conspicuous to mates and rivals. Here, we investigated whether 3 different island …

Variable crab camouflage patterns defeat search image formation

J Troscianko, O Nokelainen, J Skelhorn… - Communications …, 2021 - nature.com
Understanding what maintains the broad spectrum of variation in animal phenotypes and
how this influences survival is a key question in biology. Frequency dependent selection …

Color signal information content and the eye of the beholder: a case study in the rhesus macaque

JP Higham, LJN Brent, C Dubuc… - Behavioral …, 2010 - academic.oup.com
Animal coloration has provided many classical examples of both natural and sexual
selection. Methods to study color signals range from human assessment to models of …

Effect of light intensity in the nest site on eggshell pigmentation in a hole-nesting passerine

K Malinowska, K Szala, P Podkowa, A Surmacki - Scientific Reports, 2023 - nature.com
Daylight is an important factor necessary for the proper embryonic development of birds,
which raises the question, what happens when birds nest in relatively dim sites? The study …

SpotEgg: An image‐processing tool for automatised analysis of colouration and spottiness

J Gómez, G Liñán‐Cembrano - Journal of Avian Biology, 2017 - Wiley Online Library
Colouration and patterning are widespread amongst organisms. Regarding avian eggs,
colouration (reflectances) has been previously measured using spectrometers whereas …

Non‐gradual variation in colour morphs of the strawberry poison frog Dendrobates pumilio: genetic and geographical isolation suggest a role for selection in …

A Rudh, B Rogell, J Höglund - Molecular Ecology, 2007 - Wiley Online Library
The relative roles that geographical isolation and selection play in driving population
divergence remain one of the central questions in evolutionary biology. We approached this …

An integrative approach to assess non‐native iguana presence on Saba and Montserrat: Are we losing all native Iguana populations in the Lesser Antilles?

MP van den Burg, M Goetz, L Brannon… - Animal …, 2023 - Wiley Online Library
Invasive alien species are among the main drivers of the ongoing sixth mass extinction
wave, especially affecting island populations. Although the Caribbean is well‐known for its …

Artificial intelligence reveals environmental constraints on colour diversity in insects

S Wu, CM Chang, GS Mai, DR Rubenstein… - Nature …, 2019 - nature.com
Explaining colour variation among animals at broad geographic scales remains challenging.
Here we demonstrate how deep learning—a form of artificial intelligence—can reveal subtle …

Diet quality affects warning coloration indirectly: excretion costs in a generalist herbivore

C Lindstedt, JHR Talsma, E Ihalainen, L Lindström… - …, 2010 - academic.oup.com
Aposematic herbivores are under selection pressure from their host plants and predators.
Although many aposematic herbivores exploit plant toxins in their own secondary defense …

Chimpanzee (Pan troglodytes) gaze is conspicuous at ecologically-relevant distances

W Whitham, SJ Schapiro, J Troscianko, JL Yorzinski - Scientific reports, 2022 - nature.com
Chimpanzee (Pan troglodytes) sclera appear much darker than the white sclera of human
eyes, to such a degree that the direction of chimpanzee gaze may be concealed from …