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Culprit behind baby whale deaths may have come from the sky in the form of angry seagulls

AP

These seagulls give Angry Birds a whole new meaning.

SCIENTISTS have been scratching their heads over hundreds of baby whales that perished off the coast of Argentina between 2013 and 2014.

However, a new study points the finger at pesky seagulls, labelling them as being a possible cause or at least a contributing factor.

The study published in PLoS One says that kelp gulls off the Peninsula Valdes that have been feasting off the skin and blubber of mother southern right whales since at least the 1970s have become increasingly aggressive over the years and turned their attention to the babies.

The gulls used to be more subtle: Decades ago, the birds would simply hover over the water, waiting for whales to breach, then snack on the dead skin that sloughed off onto the water’s surface.

But they got brave enough to just latch onto the whales and peck away, making holes that grew bigger on each whale as time went by.

Baby Whale frolicking in the ocean.

Baby Whale frolicking in the ocean.Source:Supplied

Per the study, 2 per cent of living mothers and calves had gull lesions in the ‘70s; three decades later, 99 per cent did.

The mother whales wised up and started keeping their backs underwater, but the gulls then went after the little ones.

“The zero- to three-month-old calves don’t know how to keep their backs underwater,” a study author tells Live Science.

“Their backs are too small to arch, and now the gulls’ primary targets are the newborn calves.” The study documented one calf that had lesions on 19 per cent of its back.

Scientists note that even if the wounds themselves aren’t causing the baby whales to drop off, fending off the constant attacks could take time away from nursing and playing (crucial skills) and affect how the infants fight off infection, dehydration, and other maladies — which could impact their mortality overall.

Gulls, Gulls and more Gulls