Cliff swallows nest in large colonies ... belongs to the Corvidae family. Black-billed magpies range throughout North America. On average, they measure 18 to 24 inches long, while their tail makes up ...

It all began when a patient at an Antwerp hospital spotted a large and unusual magpie nest, high up in a tree in the facility's courtyard. Upon closer examination, that nest was found to contain ...

Some birds are stealing them to build their nests. A nest made from metal pins and other materials collected by magpies, found in a sugar maple tree in Antwerp, Belgium.Credit...Auke-Florian ...

told Scientific American. As it turns out, a crafty Eurasian magpie had stuck together some 1,500 spikes to build a formidable two-foot-wide nest. The bird even fastened some of these spikes on ...

As he wrote up his report of the nest, he was tipped off to four more similar bird nests in cities in the Netherlands and Scotland. Magpies are relatively small, so they create domed roofs over ...

In one example, the researchers calculated that a magpie nest outside a hospital in Antwerp, Belgium, included about 165 feet of metal strips and at least 1,500 individual spikes, writes the Times.