Two summers ago, a patient looking out his Belgian-hospital window spied in a tree an odd, abandoned magpie nest of plastic and wire. He had, by coincidence, just read a newspaper article about a ...

Anti-bird spikes are used around the world to keep birds off buildings. But clever magpies and crows in Europe have figured out how to use them to their advantage. They have started using the spikes ...

Spikes placed on buildings to deter birds are being used by birds to build nests in several locations around Europe. “It sounds like a joke,” says Auke-Florian Hiemstra at the Naturalis Biodiversity ...

When preparing to remove a diseased or dead tree, you may need to climb into the tree to remove some limbs before cutting the trunk. You can use a pair of tree-climbing spikes to help you move up the ...