Birds Seen Using Anti-Bird Spikes to Protect Their Nests From, Well, Other Birds - ScienceAlert
sciencealert.comSubmitted by sciencealert6623 in science
Magpies and crows are using anti-bird spikes collected from buildings to build nests.
Submitted by sciencealert6623 in science
Magpies and crows are using anti-bird spikes collected from buildings to build nests.