Perhaps the river no longer bites its own tail, but if that is so I cannot say where it goes instead.

It tried to bite its tail and fell over its own feet.

He bites his tail and Tom puts him at the bucket.

I've never met a wizard yet that didn't look like a rat about to bite the cat's tail and win.

But this can cause you to bite your tail even more quickly than the other.

For reasons best known to itself it was biting its own tail.

Don't try to sort that out; you'll bite your own tail.

They are like a snake biting its own tail.

In this respect the cat seems to have bitten its own tail.

Those teeth are really locked on, it has practically bitten its tail off!