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Porphyrins produce uniquely ephemeral animal colouration: a possible signal of virginity

Colours that underlie animal pigmentation can either be permanent or renewable in the short term. Here the discovery of a conspicuous salmon-pink colouration in the base of bustard feathers, never...

Extreme genomic erosion in the highly endangered Iberian lynx

Genomic studies of endangered species provide insights into their evolution and demographic history, reveal patterns of genomic erosion that might limit their viability, and offer tools for their...

Evolutionary homogenization of bird communities in urban environments

The process of urbanization can lead to specialist species being replaced by generalist species in space and time, increasing similarity among bird communities. This phenomenon is termed biotic...

Personality traits associated with ant colony productivity

When groups of individuals show variation in a series of behaviours that are related to exploratory activity and parental care, is it related to differences in groups’ productivity? This is a key...