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ocean temperature: effect on penguins


AMELIA MOSELEY: They don't wear lab coats, and none of them have been to uni, but these little researchers are pretty cute. And now, they're helping human scientists with a very important study.

The little penguin researchers live here, on Phillip Island in Victoria. It's an area where sea temperatures are rising faster than almost anywhere else in the world. So scientists have recruited these unsuspecting helpers to collect data that would be impossible to get any other way.

RESEARCHER 1: We haven't had a big picture before because sampling is so difficult, and it's a big area to cover. So by using the birds who know where to go and what to look for, we save ourselves the time and effort of having to do it.

RESEARCHER 2: Is there anyone else in here, yes? Sorry, mate.

MOSELEY: To see exactly what they get up to, researchers are attaching GPS trackers to them, along with activity trackers-- the sort of thing people wear to measure their fitness. In this case, waddles and strokes.

RESEARCHER 3: Well, we put this GPS, the same you have in your car, and we use these Fitbit to measure how much energy they're using, or how hard the penguins are working when they go out to sea.

MOSELEY: The aim is to find out more about how climate change is affecting our oceans. By tracking their movements, scientists are hoping to discover if the penguins are changing their habits as water temperatures rise.

RESEARCHER 1: One of the most immediate consequences is that the range in which different species can survive shifts. So species that are able to tolerate warmer water are likely to come further south.

MOSELEY: One of the things they're worried about is that marine animals might have to start traveling further to look for food or even eat different things. So to find out what these guys are eating they're keeping a close eye on penguin poo.

RESEARCHER 2: Not the nicest of jobs but gives us fantastic data.

MOSELEY: So far, they've been surprised to find these little guys are eating a lot of jellyfish. That could mean other types of fish aren't as easy to find right now. Then, there's this penguin-sized bridge, which scans each one as they walk over it. It records which penguin is which, when they leave home, come back, and, most importantly, how much they weigh. That helps scientists work out how much the little penguins are eating.

So that's just some of the data scientists are already getting from these cute little birds. But, in the future, they hope to be able to discover even more about how our environment is changing with a little help from their new feathered friends.
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