Shimmer and shine may help prey sabotage predators’ aim
Computer game for birds shows the confusing side of iridescent coloring
![a greenbottle fly](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/04/sm_iridescent_feat_free.jpg?fit=860%2C460&ssl=1)
SHIMMER FOR SAFETY That lovely iridescence on a greenbottle fly and myriad other animals might offer a bit of protection from predators.
Charles R Berenguer Jr/iNaturalist.org (CC BY-NC)