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Molecular vibration as a novel explanatory mechanism for the expression of animal colouration

Animal colouration is characterized by the concentration of pigments in integumentary structures and by the nanoscale arrangement of constitutive elements. However, the influence of molecular...

Scrapes as a communication tool in the largest Neotropical felids

Details of how, why and in what conditions large felids make scrapes is unknown. Here, the general hypothesis about the use of scrapes for marking proposals, as well as to communicate with other...

White and blue lights are the most pernicious for wildlife

For many decades, the spectral composition of lighting was determined by the type of lamp, which also influenced potential effects of outdoor lights on species and ecosystems. Light?emitting diode...

Females mate with males with diminished pheomelanin-based coloration in the Eurasian nuthatch Sitta europaea

Sexual selection can drive the evolution of phenotypic traits because of female preferences for exaggerated trait expression in males. Sexual selection can also lead to the evolutionary loss of...