Human-made materials in nests can bring both risks and benefit for birds

We all discard a huge amount of plastic and other human-made materials into the environment, and these are often picked up by birds. New research has shown that 176 bird species around the world are now known to include a wide range of anthropogenic materials in their nests. This material found in birds’ nests can be both beneficial and harmful say researchers.

Source: ScienceDaily.com