From Wikipedia: “Frigatebirds (…) sometimes indulge in kleptoparasitism, harassing other birds to force them to regurgitate their food” I knew birds could reg

From Wikipedia: “Frigatebirds (…) sometimes indulge in kleptoparasitism, harassing other birds to force them to regurgitate their food” I knew birds could regurgitate food (to feed their young) but this is something else…