Photo shows a magpie nest made of anti-nesting spikes in a tree in Antwerp, Belgium, undated. Researchers from two Dutch natural history museums collected nests of a carrion crow and a Eurasian magpie that were largely built with material that should have deterred birds; bird nests made of anti-bird spikes. (Auke-Florian Hiemstra/Newsflash)
Scottish Magpies Use Bird Repellent Pins To Build Nests And Guard From Other Birds
Clever magpies have been found stealing bird-repellent barriers to help build and defend their nests in areas as far apart as Scotland, Holland and Belgium. The newly published Dutch study…