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: office-2016.info/user/pbsdigitalstudios

    Super special thanks to the following Patreon patrons for helping make Eons possible:
    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 • 3 450

  • Mario Bastidas
    Mario Bastidas  14 hours back

    My doggo was a pure BONE CRUSHER! 65-70lbs of pure bone crushing power... that he used to destroy his chewing toys!

    • Edgardo Geovany
      Edgardo Geovany  20 hours back

      Damn Cats killed my would be bone Crusher. It would’ve been sooo bad A...; one big bone crusher on my back yard.

      • Soup Ears
        Soup Ears  1 days back

        My golden lab broke a chicken bone he took from the table. Might be related.

        • Gotzer Drake Zerora Venandi

          So the race of Dogs allied with the race of Humans to survive...




          *SMART MOVE*

          • Gotzer Drake Zerora Venandi

            DOG'S: "THE GRUDGE WITH THE CATS,MUST BE SETTLE"

            • Raja Roberto Masonicic Lopez

              So hyennas

              • Grant Larsson
                Grant Larsson  2 days back

                Is this the guy from myth busters? Or some tv show?!

                • CrabApples13
                  CrabApples13  2 days back

                  cats are the worst!

                  • Joker TM
                    Joker TM  2 days back

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

                    • Men Guy
                      Men Guy  3 days back

                      PROSPHECYRON IS THE CHUPACABRA THEIR POPULAR HISTORY IS IN SOUTH TEXAS

                      • Bryce McF
                        Bryce McF  3 days back

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

                        • BIG DADDY peach
                          BIG DADDY peach  3 days back

                          GO CATS!

                          • Terrio Lancer
                            Terrio Lancer  3 days back

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

                            • Nottz-Gaming
                              Nottz-Gaming  3 days back

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

                              • Nottz-Gaming
                                Nottz-Gaming  2 days 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  2 days back

                                They don't hunt they scavenge

                            • - Lucid Dreamer -
                              - Lucid Dreamer -  3 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  3 days back

                                Every large dog I have had as pets eat bones

                                • pooper looper
                                  pooper looper  3 days back

                                  My dog farted and scared itself

                                  • Adam Elliott
                                    Adam Elliott  3 days back

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

                                    • two toenail
                                      two toenail  3 days back

                                      Still have them. They’re called bulldogs

                                      • Isaac Pacheco
                                        Isaac Pacheco  3 days back

                                        I think my dog is an epicyon.

                                        • Anshon Hill
                                          Anshon Hill  3 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  4 days back

                                            I left at 7 millions years...

                                            • Vxiite
                                              Vxiite  4 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  4 days back

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

                                                • jakob thomas
                                                  jakob thomas  4 days back

                                                  I want one broooo

                                                  • Esaias Strandberg
                                                    Esaias Strandberg  4 days back

                                                    "rappers delight"

                                                    • christian miranda
                                                      christian miranda  4 days back

                                                      OK

                                                      • JUSTIN AYALA
                                                        JUSTIN AYALA  4 days back

                                                        But what animal is it eating in the picture

                                                        • steezzy boi
                                                          steezzy boi  4 days back

                                                          Big pit bull

                                                          • R L
                                                            R L  4 days back

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

                                                            • Vernon Alexis
                                                              Vernon Alexis  4 days back

                                                              Hyena ?

                                                              • ari ramsi
                                                                ari ramsi  4 days back

                                                                blame it on the cats ? really

                                                                • lance delacruz
                                                                  lance delacruz  4 days back

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

                                                                  • Joshua Maunder
                                                                    Joshua Maunder  4 days back

                                                                    When did Phil Jagielka become American?

                                                                    • The lone one
                                                                      The lone one  4 days back

                                                                      the most dangerous animal is still man

                                                                      • Nicky
                                                                        Nicky  4 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  4 days back

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

                                                                          • Leo Velli
                                                                            Leo Velli  4 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  5 days back

                                                                              Who knows bone crushers could probably still be alive

                                                                              • Lou Beemup
                                                                                Lou Beemup  5 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  5 days back

                                                                                  You guys mean hulk?

                                                                                  • de bildr
                                                                                    de bildr  5 days back

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

                                                                                    • CONHOLIO95
                                                                                      CONHOLIO95  5 days back

                                                                                      The Cats were better....YES!

                                                                                      • Angel Zuniga
                                                                                        Angel Zuniga  5 days back

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

                                                                                        • Mzyxplx
                                                                                          Mzyxplx  5 days back

                                                                                          So dogs and cats happened to them

                                                                                          • Techno Toad
                                                                                            Techno Toad  5 days back

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

                                                                                            • Trixe Racer
                                                                                              Trixe Racer  5 days back

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

                                                                                              • Cash Money
                                                                                                Cash Money  5 days back

                                                                                                They all sound like Pokémon’s