More than 20 adorable fox cubs being cared for at rescue centre
Their dens are also sometimes disturbed by development or garden clearance.
Fox Cubs
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'Do not disturb' - Vets urges public not to take photos of fox cubs
Arun Veterinary Group said it is fox breeding season and it is normal for cubs to be on their own.
Orphaned fox cub rescued after being found on a footpath in Lancashire
The tiny fox, just six weeks old was spotted by a member of the public in Heysham. But the RSPCA warns parents often come back for their young.