The figures include both minor incidents and those in which aircraft sustained some damage.
There has also been a steady rise in the number of cases in which pilots have reported damage to their aircraft, rising from 132 in 2010 to 167 in 2012.
The doubling of all bird strike incidents reflects tougher reporting rules which have come into force in recent years.
At the same time there has been a gradual increase in the number of flights as the industry recovers from the depth of the recession.







