Related Experiment Video
Updated: Jul 19, 2026

10:16
Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects
Published on: February 8, 2014
Hiding in plain sight
Thomas N Sherratt1, Arash Rashed, Christopher D Beatty
1Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada. sherratt@ccs.carleton.ca
Trends in Ecology & Evolution
|May 17, 2006
Summary
Disruptive colouration helps prey avoid predators by breaking up their outline. This study provides the first field evidence that disruptive colouration, distinct from background matching, reduces prey detection rates.
Area of Science:
- Ecology
- Evolutionary Biology
- Animal Behaviour
Background:
- Disruptive colouration is a widely accepted theory for animal camouflage.
- Previous evidence primarily stemmed from laboratory settings, lacking field validation.
- Distinguishing disruptive colouration from background matching has been challenging.
Purpose of the Study:
- To provide the first definitive field evidence for the effectiveness of disruptive colouration.
- To empirically separate the camouflage benefits of disruptive colouration from background matching.
- To investigate the role of disruptive colouration in reducing natural prey detection rates.
Main Methods:
- Field experiments were conducted to assess prey detection.
- The study design allowed for the isolation of disruptive colouration effects.
- Statistical analyses were used to differentiate camouflage strategies.
Main Results:
- The results provide the first concrete field evidence supporting disruptive colouration.
- Disruptive colouration was shown to reduce prey detection rates independently of background matching.
- The findings validate a long-recognized phenomenon in animal camouflage.
Conclusions:
- Disruptive colouration is a significant factor in predator-prey dynamics in natural environments.
- This research offers a robust foundation for future studies on animal camouflage.
- New research avenues are suggested for understanding the evolution and application of disruptive colouration.
Related Concept Videos
Bystander Effect
The discussion of bullying highlights the problem of witnesses not intervening to help a victim. This is a common occurrence, as the following well-publicized event demonstrates. In 1964, in Queens, New York, a 19-year-old woman named Kitty Genovese was attacked by a person with a knife near the back entrance to her apartment building and again in the hallway inside her apartment building. When the attack occurred, she screamed for help numerous times and eventually died from her stab wounds.
Deindividuation
Deindividuation is a form of social influence on an individual’s behavior such that the individual engages in unusual or non-normal behavior while in a group setting. Why? Because in these group settings, the individual no longer sees themselves as an individual anymore, disinhibiting their behavior and personal restraint.
Blinding
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
Masking and Demasking Agents
EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...
Subliminal Perception
Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
Understanding Deception
Deception is a pervasive aspect of human communication. Empirical studies have shown that most individuals engage in some form of deceit on a daily basis, with approximately 20% of social exchanges involving deceptive elements. Lying follows a developmental trajectory, peaking during adolescence and declining with age, possibly due to the maturation of cognitive control and social accountability.Cognitive and Social Factors in Deception DetectionDespite its prevalence, accurately detecting...

