Lead stays on fence while creature is dead.

When you leash an animal on a fence and kill the animal the lead stays on the fence. I'm not sure this is a bug, so if it's not don't be angy. 

*What i expected to happen was...* 

... when you kill an animal with a lead on a fence the animal is dead and the lead on the fencepost dissapears.

***What actually happend was...

... the lead stays on the fence.

***Steps to Reproduce:*

**1. Leash an animal on a fence.

2. Kill the animal.

3. The lead will stay on the fence.