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

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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 • 3 397

  • christian miranda
    christian miranda  14 minutes back

    OK

    • JUSTIN AYALA
      JUSTIN AYALA  1 hours back

      But what animal is it eating in the picture

      • steezzy boi
        steezzy boi  4 hours back

        Big pit bull

        • R L
          R L  4 hours back

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

          • Vernon Alexis
            Vernon Alexis  6 hours back

            Hyena ?

            • ari ramsi
              ari ramsi  9 hours back

              blame it on the cats ? really

              • lance delacruz
                lance delacruz  12 hours back

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

                • Joshua Maunder
                  Joshua Maunder  15 hours back

                  When did Phil Jagielka become American?

                  • The lone one
                    The lone one  15 hours back

                    the most dangerous animal is still man

                    • Nicky
                      Nicky  15 hours 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  19 hours back

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

                        • Leo Velli
                          Leo Velli  19 hours 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  21 hours back

                            Who knows bone crushers could probably still be alive

                            • Lou Beemup
                              Lou Beemup  21 hours 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  23 hours back

                                You guys mean hulk?

                                • de bildr
                                  de bildr  23 hours back

                                  Me: Looks at shitzu
                                  *Shitzu staring back*
                                  Me: ..........bitchass.......

                                  • CONHOLIO95
                                    CONHOLIO95  24 hours back

                                    The Cats were better....YES!

                                    • Angel Zuniga
                                      Angel Zuniga  1 days back

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

                                      • Mzyxplx
                                        Mzyxplx  1 days back

                                        So dogs and cats happened to them

                                        • Techno Toad
                                          Techno Toad  1 days back

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

                                          • Trixe Racer
                                            Trixe Racer  1 days back

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

                                            • Cash Money
                                              Cash Money  1 days back

                                              They all sound like Pokémon’s

                                              • A B
                                                A B  1 days back

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

                                                • iDel iQuant
                                                  iDel iQuant  1 days back

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

                                                  • Noé Vasquez
                                                    Noé Vasquez  2 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.

                                                    • AkshAy Rathore
                                                      AkshAy Rathore  2 days back

                                                      Dogs 2000 yeas ago: Bone crushers
                                                      Dogs Today: Scared and harmless
                                                      Wild dogs: Are we being underestimated?

                                                      • Lunamaria
                                                        Lunamaria  2 days back

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

                                                        • MemoFromEssex
                                                          MemoFromEssex  2 days back

                                                          Thanks for the videos!

                                                          • Bitte Bilden
                                                            Bitte Bilden  2 days back

                                                            Damn you cats!

                                                            • Rey Gomez
                                                              Rey Gomez  2 days back

                                                              I gotta look into this further my cats will have a certain stride afterwords.

                                                              • Duck Milk
                                                                Duck Milk  2 days back

                                                                .......so, what I've learned:

                                                                1. Dogs are dogs.

                                                                2. Cats are still the kings of the land.

                                                                3. No bears in Africa. Because cats.

                                                                • Veronica Santana
                                                                  Veronica Santana  2 days back

                                                                  When you level up Strength and everyone else levels up Dexterity

                                                                  • Pake Zerbonia
                                                                    Pake Zerbonia  2 days back

                                                                    What's the animal pictured that it's taking down?

                                                                    • kk kkk
                                                                      kk kkk  2 days back

                                                                      I feel like of all the prehistoric animals, dinosaurs are on the tame side

                                                                      • Givanza
                                                                        Givanza  2 days back

                                                                        And now we have tiny dogs that act tuff.

                                                                        • Katea Jurors
                                                                          Katea Jurors  2 days back

                                                                          Weight are they dogs or Wolves because that picture makes it look like it's a pitbull. Is there a closer relative that we bred domestic dogs from? Did we make that species extinct to where we only thought that we got them from wolves? You keep saying dog and I I thought that was more of the domesticated term

                                                                          • Dankie da bear
                                                                            Dankie da bear  2 days back

                                                                            If a pit bull ain’t no bone crusher idk what is😭

                                                                            • Vicious Feline
                                                                              Vicious Feline  2 days back

                                                                              Interesting💜✌🇨🇦

                                                                              • T Lathan
                                                                                T Lathan  2 days back

                                                                                '6 to 12 million years ago". How do they know that? That's a long time. If bones lasted that long we would be digging fossils up everywhere.

                                                                                • DoNKeY
                                                                                  DoNKeY  2 days back

                                                                                  So are minks and weasels related to the smaller dogs that used to exist?

                                                                                  • DJ Dizzy
                                                                                    DJ Dizzy  2 days back

                                                                                    If competition from the cats is the reason, then what happened to the cats? There are cougars and bobcats sparsely in that area but what about all these other extinct Miocene cats? Did the cooling climate have a part?

                                                                                    👍 video btw

                                                                                    • Humbug Houdini
                                                                                      Humbug Houdini  2 days back

                                                                                      1.3k cats dislike this video

                                                                                      • rational anarchist
                                                                                        rational anarchist  2 days back

                                                                                        So what you're telling me I could have had a dog the size of a bear if it hadn't been for those pesky cats

                                                                                        • primuseklips
                                                                                          primuseklips  2 days back

                                                                                          In fact, they still exist today.And they come from an old line via DIBO, PIT GENERAL, ELI etc..

                                                                                          • YASH vadhiya
                                                                                            YASH vadhiya  2 days back

                                                                                            I see Ross Geller everywhere on this channel

                                                                                            • Marlon Hernandez
                                                                                              Marlon Hernandez  2 days back

                                                                                              Now I want to hear the story of the cats....this sounds like the plot to underworld but a lot more interesting and informative.....THIS IS WHAT MOVIES NEED TO BE ABOUT.

                                                                                              • Acid Fuzz
                                                                                                Acid Fuzz  2 days back

                                                                                                movies? you mean documentaries

                                                                                              • Acid Fuzz
                                                                                                Acid Fuzz  2 days back

                                                                                                they literally have a video uploaded about it lol

                                                                                            • Marlon Hernandez
                                                                                              Marlon Hernandez  2 days back

                                                                                              So even for dogs there’s a missing link?

                                                                                              • Derrick Dans
                                                                                                Derrick Dans  2 days back

                                                                                                just blame it on the cats. XD