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It's Monday, March 28, 2022.. I'm Jackson Bird today. The Scottish Dolphin who lives among and seems to talk with porpoises. Plus how a Wikipedia hoax became official branding for Pringles. And sheep are pivoting to solar. Here's some cool stuff for your ride home.

A dolphin that locals have named Kylie has been a regular fixture in Scotland's Firth of Clyde

for the past 14 years. She was dubbed Kylie several years ago when she used to hang around a

lock called the Kiles of Butte, spending most of her time with a buoy at the mouth of the lock.

These days, she's ditched the buoy for the companionship of porpoises, thousands of harbor porpoises

that call the Firth of Clyde their home. But Kylie is the only dolphin

among them. And after so many years spent living among porpoises, scientists say that she's adapted

their means of communication. It's an interesting case study of cross-species communication,

a phenomenon we're still only really beginning to scratch the surface of.

So dolphins and porpoises, along with whales, belong to the same infraordor of marine mammals called cetaceans,

who evolved from land-dwelling mammals before returning to water over millions of years.

While dolphins have a whole suite of sounds they use to communicate,

including clicks, whistles, and pulse calls, Harbor porpoises mostly use high-pitched clicks.

Researchers used a hydrophone to record audio of Kylie and the Harbor Porpoises for two years,

and then analyzed the recordings to try to pick out who was saying what, quoting National

Geographic. While dolphins whistle almost constantly, porpoises never do. Instead, they communicate

exclusively with what are called narrow band high frequency, or NBHF clicks, with 8 to 15 amplitude

...