On 23rd January 2018, at Valle de Arriba, an open valley with cultivated areas and a small village in southwest Tenerife, Canary Islands, a Common Raven Corvus corax was seen persistently harassing a Common Kestrel Falco tinnunculus that was carrying a small prey item (plate 138), later identified as a Canary Islands Lizard Gallotia galloti. After almost a minute of being


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