### Clue: After raising internal temperature, warders become animals (6)
### Answer: SHREWS 
 ### Explanation: After raising internal temperature, warders become animals (6)
SCREWS ("warders") becomes **SHREWS** ("animals") when the C (cold) of SCREWS becomes H (hot), so the "internal temperature" riases. 
*Shrewsbury Town's nickname is The Shrews.