The Rise and Fall of the Bone-Crushing Dogs

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  • Published: 29 August 2018
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    A huge and diverse subfamily of dogs, the bone-crushers patrolled North America for more than thirty million years, before they disappeared in the not-too-distant past. So what happened to the biggest dogs that ever lived?

    Produced in collaboration with PBS Digital Studios: superiorjanitorial.pro/user/pbsdigitalstudios

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    Katie Fichtner, Aldo Espinosa Zúñiga, Kelby Reid, Steph Summerfield, Todd Dittman, Betsy Radley, Svetlana Pylaeva, Colin Sylvester, Philip Slingerland, John Vanek, Jose Garcia, Noah offitzer, Eric Vonk, Tony Wamsley, Henrik Peteri, Jonathan Wright, Wilco Verweij, Jon Monteiro, James Bording, Brad Nicholls, Miles Chaston, Michael McClellan, Elysha Nygård, Jeff Graham, Maria Humphrey, Nathan Paskett, Connor Jensen, Ehit Dinesh Agarwal, Sapjes, Daisuke Goto, Zachary Winkler, Hubert Rady, Yuntao Zhou, Gregory Kintz, Tyson Cleary, Chandler Bass, Maly Lor, Joao Ascensao, Tsee Lee, Sarah Fritts, Ruben Winter, Ron Harvey Jr, Joshua Mitchell, Johnny Li, Jacob Gerke, Katie M Vasilescu, Brandon Burke, Alex Yan

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    References:
    Dogs: Their Fossil Relatives and Evolutionary History by Xiaoming Wang & Richard H. Tedford.
    The Princeton Field Guide to Prehistoric Mammals by Donald Prothero.
    Evolution of Tertiary Mammals in North America, Volume 1: Terrestrial Carnivores, Ungulates, and Ungulatelike Mammals edited by Christine M. Janis.
    The Skeleton of the Borophaginae (Carnivora, Canidae): Morphology and Function by Kathleen Munthe.
    Vertebrates: Structures and Functions by S.M. Kisia.
    ncbi.nlm.nih.gov/pmc/articles/PMC4507235/
    digitallibrary.amnh.org/bitstream/handle/2246/447/B279a07.pdf?sequence=20
    ncbi.nlm.nih.gov/pmc/articles/PMC5936914/
    ncbi.nlm.nih.gov/pubmed/26285033
    researchgate.net/publication/267156822_Phylogenetic_systematics_of_the_Borophaginae_Carnivora_Canidae?enrichId=rgreq-d5b9b9334f3e7d5206bb87428d1dc7db-XXX&enrichSource=Y292ZXJQYWdlOzI2NzE1NjgyMjtBUzoxNTQ5NTc4MzE0NzkyOTZAMTQxMzk1NjIzNDUyOA%3D%3D&el=1_x_2&_esc=publicationCoverPdf
    ncbi.nlm.nih.gov/pmc/articles/PMC5963924/
    cambridge.org/core/journals/journal-of-paleontology/article/borophagine-canid-carnivora-canidae-borophaginae-from-the-middle-miocene-chesapeake-group-of-eastern-north-america/FBD12E2AB04E6AADB367A0FE36C4A3D9
    naturalhistorymag.com/htmlsite/0708/0708_feature.html
  • Science and Technology Science and Technology

Comments • 3 439

  • CrabApples13
    CrabApples13  8 hours back

    cats are the worst!

    • Joker TM
      Joker TM  16 hours back

      Yup my dawg too do bone crushing and then hide that bone in boneyard

      • Men Guy
        Men Guy  20 hours back

        PROSPHECYRON IS THE CHUPACABRA THEIR POPULAR HISTORY IS IN SOUTH TEXAS

        • Bryce McF
          Bryce McF  22 hours back

          Those depictions of the smaller ones remind me of minks and fishers.

          • BIG DADDY peach
            BIG DADDY peach  1 days back

            GO CATS!

            • Terrio Lancer
              Terrio Lancer  1 days back

              The history of dogs or the history of pre-dogs generation?

              • Nottz-Gaming
                Nottz-Gaming  1 days back

                I feel like hyenas are being left out here. They're the modern day bone crushing dog's. 😂

                • Nottz-Gaming
                  Nottz-Gaming  5 hours back

                  @daniel owens From Nat Geo: Truth: Hyenas are opportunistic eaters—but also accomplished hunters, alone and in groups, Benson-Amram says. Part of this perception comes from people watching hyenas and lions fighting over a carcass.

                • daniel owens
                  daniel owens  8 hours back

                  They don't hunt they scavenge

              • - Lucid Dreamer -
                - Lucid Dreamer -  1 days back

                It amazes me that scientists think they know what any number of years looks like past the earliest confirmed record of man. Which, I'm assuming, is not much over 10,000. Ha. "Millions of years"

                • Will Andrews
                  Will Andrews  1 days back

                  Every large dog I have had as pets eat bones

                  • pooper looper
                    pooper looper  1 days back

                    My dog farted and scared itself

                    • Adam Elliott
                      Adam Elliott  1 days back

                      Cats rule, dogs drool. What?? It's the truth.

                      • two toenail
                        two toenail  1 days back

                        Still have them. They’re called bulldogs

                        • Isaac Pacheco
                          Isaac Pacheco  2 days back

                          I think my dog is an epicyon.

                          • Anshon Hill
                            Anshon Hill  2 days back

                            This cruel....but two dogs pulled my neighbors cat apart like 2 weeks ago....stupid cats. (I’d like to note that I ain’t watch that happen I wouldn’t be that cruel) I’m pretty sure my dog would kill a cat though >.> he’s killed a few possums

                            • P.T.onfire
                              P.T.onfire  2 days back

                              I left at 7 millions years...

                              • Vxiite
                                Vxiite  2 days back

                                Bone crushing dogs and cats that are just like them but better, dangerous enough to kill the most fearsome of animals.

                                Humans: hold my AK-47

                                • Sean Pyle
                                  Sean Pyle  2 days back

                                  Bottom row 2nd from the left is a raccoon don’t at me 😤

                                  • jakob thomas
                                    jakob thomas  2 days back

                                    I want one broooo

                                    • Esaias Strandberg
                                      Esaias Strandberg  2 days back

                                      "rappers delight"

                                      • christian miranda
                                        christian miranda  2 days back

                                        OK

                                        • JUSTIN AYALA
                                          JUSTIN AYALA  2 days back

                                          But what animal is it eating in the picture

                                          • steezzy boi
                                            steezzy boi  2 days back

                                            Big pit bull

                                            • R L
                                              R L  2 days back

                                              We’re do we apply to get the name change to units?

                                              • Vernon Alexis
                                                Vernon Alexis  2 days back

                                                Hyena ?

                                                • ari ramsi
                                                  ari ramsi  2 days back

                                                  blame it on the cats ? really

                                                  • lance delacruz
                                                    lance delacruz  2 days back

                                                    Epicyon looks more like the ancestors of pitbulls and bulldogs and less like the descendants of wolves.

                                                    • Joshua Maunder
                                                      Joshua Maunder  3 days back

                                                      When did Phil Jagielka become American?

                                                      • The lone one
                                                        The lone one  3 days back

                                                        the most dangerous animal is still man

                                                        • Nicky
                                                          Nicky  3 days back

                                                          Cesar: its important to ignore the dog and have a calm energy. You need to let them see you are the alpha pack leader and in control. When he is aggresive just a little PSSTT and a tap on his neck to distract

                                                          • arun vibgyor
                                                            arun vibgyor  3 days back

                                                            I have a Labrador and it can easily crush some heavy bones too.. big deal

                                                            • Leo Velli
                                                              Leo Velli  3 days back

                                                              Any idea where I can find the cool chilled out music that plays at the end of the video starting from around the time he starts talkin about Wix and on to the end?

                                                              • sLxNDY RIFFxR
                                                                sLxNDY RIFFxR  3 days back

                                                                Who knows bone crushers could probably still be alive

                                                                • Lou Beemup
                                                                  Lou Beemup  3 days back

                                                                  Did saber tooth tigers and bone crushing dogs fight? and is that why dogs are known to not like cats? That’s ancient beef.

                                                                  • Yourrecaller
                                                                    Yourrecaller  3 days back

                                                                    You guys mean hulk?

                                                                    • de bildr
                                                                      de bildr  3 days back

                                                                      Me: Looks at shih tzu
                                                                      *Shih tzu staring back*
                                                                      Me: ..........bitchass.......

                                                                      • CONHOLIO95
                                                                        CONHOLIO95  3 days back

                                                                        The Cats were better....YES!

                                                                        • Angel Zuniga
                                                                          Angel Zuniga  3 days back

                                                                          "Six to twelve million years ago there where 15 different species of bone crushing dogs"
                                                                          WTF

                                                                          • Mzyxplx
                                                                            Mzyxplx  3 days back

                                                                            So dogs and cats happened to them

                                                                            • Techno Toad
                                                                              Techno Toad  3 days back

                                                                              My dog can crush bones and does so with his nightly dinner.

                                                                              • Trixe Racer
                                                                                Trixe Racer  3 days back

                                                                                The pack and I wanted to say we enjoyed the video keep up the great work .

                                                                                • Cash Money
                                                                                  Cash Money  3 days back

                                                                                  They all sound like Pokémon’s

                                                                                  • A B
                                                                                    A B  3 days back

                                                                                    The title of this video sounds like a prog metal album.

                                                                                    • iDel iQuant
                                                                                      iDel iQuant  3 days back

                                                                                      Yep, cats are from space since they can almost adapt to any environment

                                                                                      • Sean Deehan
                                                                                        Sean Deehan  3 days back

                                                                                        This guy makes good videos but talks too fast

                                                                                        • Noé Vasquez
                                                                                          Noé Vasquez  4 days back

                                                                                          Lol I just got off a video on Wix oil filters... And this is brought to you by Wix. Most likely different company but still ironic nonetheless.

                                                                                          • Lunamaria
                                                                                            Lunamaria  4 days back

                                                                                            I'm a cat person.. Lions and Cheetah are amazing biological masterpieces!

                                                                                            • MemoFromEssex
                                                                                              MemoFromEssex  4 days back

                                                                                              Thanks for the videos!

                                                                                              • Bitte Bilden
                                                                                                Bitte Bilden  4 days back

                                                                                                Damn you cats!