Backgrounds and the evolution of visual signals
Color signals which mediate behavioral interactions across taxa and contexts are often
thought of as color'patches'–parts of an animal that appear colorful compared to other parts …
thought of as color'patches'–parts of an animal that appear colorful compared to other parts …
Quantitative Colour Pattern Analysis (QCPA): A comprehensive framework for the analysis of colour patterns in nature
CP van den Berg, J Troscianko… - Methods in Ecology …, 2020 - Wiley Online Library
To understand the function of colour signals in nature, we require robust quantitative
analytical frameworks to enable us to estimate how animal and plant colour patterns appear …
analytical frameworks to enable us to estimate how animal and plant colour patterns appear …
Peacock spiders prefer image statistics of average natural scenes over those of male ornamentation
MC Hardenbicker, C Tedore - Behavioral Ecology, 2023 - academic.oup.com
The origins of preferences that drive the evolution of arbitrary sexual signals have been hotly
debated for more than 150 years. An emerging but little-tested theory, efficient coding theory …
debated for more than 150 years. An emerging but little-tested theory, efficient coding theory …
Long‐wavelength‐sensitive (lws) opsin gene expression, foraging and visual communication in coral reef fishes
Coral reef fishes are diverse in ecology and behaviour and show remarkable colour
variability. Investigating the visual pigment gene (opsin) expression in these fishes makes it …
variability. Investigating the visual pigment gene (opsin) expression in these fishes makes it …
Sexual selection on jumping spider color pattern: investigation with a new quantitative approach
How animals assess information encoded in individual color patches have been extensively
studied, yet the role of both individual color patches and gross color pattern (ie, the …
studied, yet the role of both individual color patches and gross color pattern (ie, the …
Visual background choice and light environment affect male guppy visual contrast
JA Endler, DM Raggay, S Maerowitz-McMahan… - Vision, 2022 - mdpi.com
Male guppies (Poecilia reticulata) have multiple colored spots and perform courtship
displays near the edges of streams in Trinidad in shallow water flowing through rainforest …
displays near the edges of streams in Trinidad in shallow water flowing through rainforest …
Signal detectability and boldness are not the same: the function of defensive coloration in nudibranchs is distance-dependent
CP van den Berg, JA Endler… - Proceedings of the …, 2023 - royalsocietypublishing.org
Aposematic signals visually advertise underlying anti-predatory defences in many species.
They should be detectable (eg contrasting against the background) and bold (eg using …
They should be detectable (eg contrasting against the background) and bold (eg using …
[PDF][PDF] Using colour pattern edge contrast statistics to predict detection speed and success in triggerfish (Rhinecanthus aculeatus)
CP van den Berg, JA Endler… - Journal of …, 2022 - journals.biologists.com
Edge detection is important for object detection and recognition. However, we do not know
whether edge statistics accurately predict the detection of prey by potential predators. This is …
whether edge statistics accurately predict the detection of prey by potential predators. This is …
Chemical defences indicate bold colour patterns with reduced variability in aposematic nudibranchs
CP van den Berg, M Santon… - … of the Royal …, 2024 - royalsocietypublishing.org
The selective factors that shape phenotypic diversity in prey communities with aposematic
animals are diverse and coincide with similar diversity in the strength of underlying …
animals are diverse and coincide with similar diversity in the strength of underlying …
Female preference for males with lower pattern contrast follows Weber's law of proportional processing in jumping spiders
According to Weber's law of proportional processing, perceptual discrimination between
stimuli of different magnitudes is based on their proportional differences in magnitude (not …
stimuli of different magnitudes is based on their proportional differences in magnitude (not …