Anyone who’s had a sandwich stolen out of their hands by a gull at the beach knows firsthand how bold and aggressive these birds can be in their quest for food. But there are gulls that do far worse than steal your sandwich.
The absolute worst might be the kelp gulls that pick at the skin and blubber on the backs of Southern right whales off the coast of Argentina. The wounds caused by the birds are thought to kill many right whale calves. But a close second may be the kelp gulls and dolphin gulls on Guafo Island in Chilean Patagonia. That’s because these gulls are wounding South American fur seal pups as they eat the pups’ feces — straight from the source, a new study reports.
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