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A Saber-Toothed Permian Predator From Long Before Evolution Came Up With Cats

As an extinction crisis wiped out species at the end of the Permian Period, a predatory species emerged that dominated Southern Africa’s domain.

South africaNorth carolinaUnited statesFree stateJuan carlos cisnerosJohn nyaphuliJennifer bothaChristian kammererNthaopa ntheriPia vigliettiCarolina museum of natural sciencesUniversity of the witwatersrandUniversity of piauField museum of natural historyCurrent biologyPermian period

Cockatoos Know How to Pick the Right Tools for the Job

The job, in these experiments, was getting a cashew out of a puzzle box.

New zealandCrickette sanzAntonio osuna mascaroThomas suchanekAlice auerspergAntonio osuna mascarWashington university in stUniversity of veterinary medicine viennaVeterinary medicineCurrent biologyOsuna mascaroEpic flightUneven crisisBeloved bird callWashington universityAnimal behavior

Orca Moms Pay a High Price to Feed Large Adult Sons

A maternal preference for sons in a group of killer whales that swim off the Pacific Northwest may contribute to its endangered status.

Friday harborUnited statesUnited kingdomMichael weissJohn fordWhale research in friday harborResearch permit noKennethc balcomb centerWhale researchCurrent biologyBritish columbiaResearch permitPacific biological stationAnimal behaviorCurrent biology journalYour feed science

Dolphins Can Shout Underwater, but It s Never Loud Enough

Researchers found that dolphins confronted with noise increase the volume and duration of their calls to one another but struggle to cooperate.

Los angelesUnited statesShane geroMauricio cantorDolphin research centerUniversity of bristolOregon state university in newportCarleton universityDolphin researchOregon state universityPacific coastWashington stateAnimal behaviorOceans and seasAnimal cognitionAnimal intelligence

Something About This Mysterious Fossil Graveyard Was Fishy

For decades, paleontologists have tried to explain what they assumed was a 230-million-year-old scene of mass death.

United statesGreat basinWest union canyonErin maxwellNicholas pyensonRandall irmisNatural history museum of utahMuseum of natural history stuttgartUnion canyonSmithsonian national museum of natural historyCurrent biologyNatural history museumShoshone mountainsBerlin ichthyosaur stateCharles campSmithsonian national museum

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