As much as we may want them to, our dogs cannot speak to us, so it can sometimes be difficult to figure out what they are thinking and feeling.
The animals have to rely on body language to tell us what's going on, which is why it's so vital that owners are clued up on what certain signals may mean.
And one animal behaviourist says that there's a 'subtle' thing dogs do that owners often miss, but it could mean that your furry friend is in pain.
