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Some Myths about animals

Some of the most common misconceptions surrounding animals? Let's take a look at debunked myths featured in this year's PTES 'Living with Mammals' report:

Myth - The number of foxes is increasing
Fox populations are stable in the long-term. Mange has had a big impact in many areas and populations are slow to recover. 
Numbers in Bristol in 2006 were only a fifth of those in 1994, before an outbreak of mange. 
'Living with Mammals' found that numbers in urban areas nationally have changed little in the last decade.
The pre-breeding (adult) population in urban areas is estimated at about 35,000; within the M25 there are fewer than 10,000.

Myth - You are never more than six feet from a rat
There are fewer than 10 million brown rats in Britain. In 2007, the English House Condition Survey found that rats occupied only four out of every thousand 
urban properties and were present in the gardens of just 3%.

Myth - Inhaling rat droppings or coming into contact with their urine can be fatal
Rats are fastidiously clean unless overcrowded, spending a considerable proportion of their time grooming themselves and others. 
They do carry some human diseases, particularly leptospirosis, but the risk of infection is low and is smaller from urban rats than those in rural areas.

Myth - Bats damage buildings 
Bats rarely cause any damage to buildings: Unlike birds, they don't bring in nesting materials and, unlike rodents, they won't gnaw electric cables or wood. 
Their droppings carry no disease and are generally odourless.
Large colonies of pipistrelles can number several hundred individuals in summer and can be noisy tenants, but so important are buildings to bats that 
managing and renovating them appropriately is a big part of bat conservation.

Myth - Grey squirrels are responsible for the decline of red squirrels
While grey squirrels have a competitive advantage over reds and have displaced them from much of England, red squirrel numbers declined drastically 
between 1900 and 1925, before grey squirrels had become established. 
In southern Scotland and Ireland, red squirrels were extinct by the 18th century due to deforestation and habitat loss - those there today are a result of reintroduction. 
In England, red squirrels were viewed as a pest and almost wiped out.
Controlling grey squirrels in areas where reds occur today is necessary if populations of reds are going to be preserved, but elsewhere grey squirrels are simply 
part of the natural ecology and our mammal fauna . . . .