“The world’s most widely used insecticide may cause migrating songbirds to lose their sense of direction and suffer drastic weight loss, according to new research.” https://www.theguardian.com/environment/2017/nov/29/common-pesticide-can-make-migrating-birds-lose-their-way-research-shows
Scientists are close to linking this effect to recent behaviour in the UK government cabinet.
Ecomical 