Nests with the most plastic belonged to the strongest birds, able to fend off attackers that coveted their decor. Plain nests belonged to younger and older birds, which would be too weak to defend ...
More than 70 bird species adorn their nests with snakeskin, a decorating trick that could help to fend off predators 1. Certain birds have long been known to incorporate shed snakeskin into their ...
When a bird drapes its nest with snake skin, it isn't just making an interesting decor choice. Researchers find that for some birds, it keeps predators at bay.