MARTÍNEZ: So maybe one of them smart birds can help me design my next home because one thing's for sure, you will not need locks if you got barbed wire. But I think, well, the parents may struggle a little bit to handle the material. But within the nest, it's this very safe place made with soft material. HIEMSTRA: So the whole outside of the nest is covered with these bird spikes. But Hiemstra says these nests may be more welcoming to bird families than you might think. MARTÍNEZ: OK, sounds extremely uncomfortable to live there.įADEL: Right, let alone raise baby birds there. HIEMSTRA: Barbed wire, but also - and I think this is the funniest example - knitting needles. MARTÍNEZ: And what exactly are these birds borrowing from the humans around them? And so this is within the family of the corvids, and those are very smart birds. We have examples of crows using them and examples of magpies using them. HIEMSTRA: But, yeah, I think the magpie ripped them off the roof and used them in its own nest. And just a trail of glue was present.įADEL: Hiemstra said some smart birds are using the stuff that humans use to shoo them away and instead are creating protective bowls over their heads. But all the bird spikes closest to the nest, they were gone. HIEMSTRA: There were a lot of bird spikes. He and his team visited the roof of a Belgian hospital that gave the birds what they needed to turn their nest into a bunker. He's a biologist at the Naturalis Biodiversity Center in Leiden. Seems birds are making their nests with hazards like metal and spikes.ĪUKE-FLORIAN HIEMSTRA: The biggest nest we found, a nest that included more than 1,500 nasty, metal anti-bird spikes. Well, maybe angry birds is a bit too harsh.įADEL: Protective birds may be more fitting, although both sound scary to me. OK, let's have a conversation about birds, angry birds.
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