Police are receiving reports of big cat sightings and attacks on farm animals.
Big cats are reported to be living right on our doorstep - a Cambridgeshire wildlife officer is on their trail.
PC Paul Carter has begun plotting all reported sightings in the county and so far this year there have already been five stunned eyewitnesses.
From the village of Sawtry, along the A1 area, and across to the Northamptonshire border has seen reported big cat activity.
The most recent report came from a couple in Isleham, Ely at 10pm on August 26.
They reported seeing a black feline creature of knee height with a long tail which had a bulbous tip.
PC Carter said: "I have been fascinated by the possible existence of these creatures for many years.
"Since becoming a member of the Rural Community Action Team (RCAT) four years ago I have heard many stories from locals about big cats prowling our countryside.
"It would be wonderful to be able to prove or disprove their existence in Cambridgeshire once and for all."
The centre of reported big cat activity in the county is the area west of the A1 corridor from Sawtry to the Northamptonshire border.
The majority of reports to the police come from farmers who say they have had cattle and sheep attacked by a cat like creature.
Descriptions of the animals vary from a large black panther like cat to a smaller brown spotted Lynx type feline.
For more information about big cats visit the British Big Cats Society website at www.britishbigcats.org.
>> Have you seen a big cat in Huntingdonshire? Email us your stories - or pictures - to
matt.cornish@towncrierseries.co.uk
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