Indeed, the skulls of animals that lived in the late 2010s, after squirrel caretakers reduced peanuts in the late 2010s, looked more like those of their northern counterparts, showing the animals ...

In a town on England’s west coast, red squirrels fed by humans were found to have lost muscle mass and […] The post Red Squirrels Fed By Humans Have Experienced Changes To The Shape Of Their Skulls ...

One was that the skulls of the Formby squirrels that had eaten a lot of peanuts were flatter than those of their Scottish counterparts. The researchers also found jaw muscle attachments were ...

These treats require much less chewing and comparison with historic skeletons reveals a change in skull and jaw shape – suggesting that squirrels have a lower bite force after having their ...