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New amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday says climate change transformed dogs from amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday resembling cats to how they look amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday. Researchers in the USA believe that 40 amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday years ago, dogs were amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday and hunted and ambushed their prey like cats. As the changing climate reduced the amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday of forests in North America, the amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday and food-gathering amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday of dogs changed. Grassland emerged everywhere, which meant dogs had amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday places to hide to ambush their victims. To adapt to this, dogs changed their hunting styles and amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday grew longer legs.

Scientists analysed how dogs evolved by looking at the amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday and teeth of 32 different amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday that lived up to 40 million years ago. The dogs' elbows, in amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday, were good indicators of amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday change. Dogs from 40 million years ago had elbows that were amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday those of cats. Their front amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday swivelled so they could grab and hold on to prey. Elbows changed in dogs to let them become amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday runners. This meant they could chase their prey over long amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday. The teeth in dogs also became more amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday. They became harder so they could hold on to amountcreaturesdistancesefficientelbowsenduranceevolutionaryfewerhabitslikemillionparticularpawsphysiquepreyresearchslowlysmallerspeciestoday.