
Some cats,
especially older cats, howl at night for no apparent reason. Often they
are communicating with other cats. Other times it may indicate pain or
discomfort. In non-neutered and non-spayed younger cats howling is part
of the mating ritual. Your best plan is to have her examined by her
veterinarian. If she has not been spayed, then have her spayed as soon
as possible. A complete blood panel will be very helpful. If she is
healthy spayed, then try to determine when she howls and what it is
associated with. A new cat in the neighborhood may be the cause. Such
howling is often blamed on senility, although this is usually the
result of not finding any other cause. If you keeping in mind feline
howling is derived from long distance communication, you may be able to
determine the cause.