The maintenance of phenotypic variation is a central question in evolutionary biology. A commonly suggested mechanism is that of local adaptation, whereby different phenotypes are adapted to alternative environmental conditions. A recent study in the European barn owl (Tyto alba) has shown that natural selection maintains a strong clinal variation in reddish pheomelanin‐based coloration. Studies in the region where phenotypic variation in this owl is the highest in Europe have further demonstrated that dark‐reddish and pale‐reddish owls exploit open and wooded habitats, predate voles and wood mice, and are long‐tailed and short‐tailed, respectively. However, it remains unclear as to whether these traits evolved as a consequence of allopatric evolution of dark colour in northern Europe and white colour in southern Europe, during which owls could have also evolved different morphologies and foraging behaviour. This scenario implies that covariation between coloration and foraging behaviour could be a specificity of the European continent, which is not found in other worldwide‐distributed populations. To investigate this issue, we studied a barn owl population in the Middle East. The results obtained show that, as in Central Europe, dark‐reddish female owls breed more often in the open landscape than their pale‐reddish female conspecifics, their offspring are fed with more voles than Muridae, and they are longer‐winged and longer‐tailed. These findings indicate that, in the barn owl, the association in females between pheomelanin‐based coloration and foraging behaviour and morphology is not restricted to the European continent but may well evolve in sympatry in many barn owl populations worldwide. © 2012 The Linnean Society of London, Biological Journal of the Linnean Society, 2012, 106, 447–454.

Capsule Habitat parameters associated with 706 Barn Owl (Tyto alba) nesting boxes in Israel were analysed. Pairs bred in 259 of the boxes. The intensity of agricultural practices at nestbox sites were shown to have only a weak effect on aspects of Barn Owl breeding in this region.

Capsule Boldness defines the extent to which animals are willing to take risks in the presence of a predator. Late, but not early, in the breeding season, Israeli nestling Barn Owls displaying larger black feather spots were more docile, feigned death longer and had a lower breathing rate when handled than smaller-spotted nestlings. Larger-spotted breeding females were less docile if heavy but more more docile if light. The covariation between personality (boldness vs. timid) and melanin-based colouration is therefore conditional on environmental factors. † Ori Peleg and Motti Charter contributed equally to the work. © 2014 British Trust for Ornithology Bird Study (2014) 61, 572-577 http://dx.

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