Crows removing ticks: helpfulness, opportunism, or something else?

Guest post by Thom van Dooren If you’ve spent much time at all watching YouTube videos of corvids, you’ve likely come across some of the numerous examples of them engaging in the seemingly helpful act of removing ticks and other ectoparasites from all kinds of other animals. The lucky ‘client’ might be a rhino, a sambar deer, or a cow.  Admittedly, it isn’t always entirely clear that these crows… Continue reading Crows removing ticks: helpfulness, opportunism, or something else?