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As the California sea lion population got big

Animals tend to get smaller as their populations grow because of increased competition for food resources among members of the same species. That’s not what has happened with California sea lions, however, according to a new study led by scientists at UC Santa Cruz. Analysis of sea lion skulls collected between 1962 and 2008 found that male California sea lions have gotten bigger as the population grew over the past 50 years, while female body size has remained stable.

United statesCalifornia academy of sciencesNicholas pyensonRita mehtaPaul kochInstitute of marine sciencesSmithsonian institution national museum of natural historyCurrent biologyMarine mammal protection actSouth americanDaniel costaMarine sciencesCalifornia academySmithsonian institutionNational museum

2022 in Review: The Year s Top Discoveries by Museum Researchers | Smithsonian Voices | National Museum of Natural History Smithsonian Magazine

An Ichthyosaur graveyard, oyster middens and other headline-grabbing findings by scientists at the National Museum of Natural History

Chesapeake bayUnited statesNew yorkNew zealandFishing bayAmazon riverBrazil generalFred cochardJack tamisieaMurilo pastanaJacqueline lungmusJohn gurcheStephen cairnsDavid paz garciaBriana pobinerJoseph gregor

Analysis of giant extinct marine reptile graveyard suggests mysterious site was ancient birthing grounds

Today’s marine giants—such as blue and humpback whales—routinely make massive migrations across the ocean to breed and give birth in wa

Toiyabe national forestUnited statesUniversity of nevadaSmithsonian institutionDistrict of columbiaUniversity of utahNicholas pyensonNeil kelleyJon blundellRd programUniversity of edinburghDepartment of paleobiologyNatural history museum of utahUs forest serviceVanderbilt universitySmithsonian digitization program office

Mystery Nevada fossil site could be ancient maternity ward

Mystery Nevada fossil site could be ancient maternity ward
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United statesCity ofUnited kingdomNicholas pyensonKirsty wigglesworthRandy irmisUniversity of utahAssociated pressEngland university of manchesterSmithsonian national museum of natural historyMystery nevadaSmithsonian national museumBerlin ichthyosaur state parkDean lomax

Mystery Nevada fossil site could be ancient maternity ward

Mystery Nevada fossil site could be ancient maternity ward
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