If you see anyone luring, kidnapping or harming an animal, please dial 999, quoting Operation Takahe.
If you see anyone loitering suspiciously around an animal without good reason, please dial 101 and provide a description and any vehicle details to the police. Police will make a decision around whether to come out based on the information provided.
If you find any mutilated bodies, call SNARL on 07961 030064 or 07957 830490 who will ask you a set of questions to rule out road traffic accident victims/other types of incidents before providing you with contact information for RSPCA/Police/Council etc.
If you have any information on who might be committing these offences, call the Croydon Serious Crime Squad on 020 8649 0216 (do not call them for suspicious sightings or harming events, use the numbers above) or Police on 101 or Crimestoppers on 0800 555 111.