This week in science: California wolves, the world's bugs, and the earliest quasars
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ROTT: Yes, an animal that is often controversial...

BARBER: Yeah.

ROTT: ...Wherever it is cohabitating with people, you know, whether that's in the western U.S., where I am, the Midwest or Europe, you name it.

BARBER: Yeah, and a new study out this week in the journal PLOS One is not going to soothe any of that hate some people feel about this predator.

DETROW: Why is that?

ROTT: So this study's focus is specifically on wolves in California, which have migrated here from Oregon. And it looks at the impact they're having on cattle and, consequentially, people, ranchers.

BARBER: Yeah, and researchers at UC Davis did a DNA analysis of the scat - you know, their poop - from two wolf packs in 2022 and 2023 to see what they were eating.

ROTT: In both years, Scott, they found that the primary food source for these packs was cattle.

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