Probably because of the 'easy pickings' ! Ravens are carnivores - and there are thousands of pigeons in London. The ravens simply feed on the pigeons.
There are at least 7 individual ravens at the Tower of London. They are unable to fly away as the flight feathers on one wing has been clipped. There is a comment from the reign of King Charles ll that 'if the Ravens are lost or fly away, the Crown will fall and and Britain with it'. They are under the care of the Yeoman Warders and can live for more than 40 years.
At the Tower of London
The ravens.
Ravens.
Ravens
The famous animals in the Tower are the ravens.
This refers to the Ravens.
They are Ravens.
Yes, the ravens at the Tower of London are named. Each raven has a unique name, and they are cared for by a dedicated Ravenmaster. According to tradition, at least six ravens must be kept at the Tower, as it is believed that the kingdom will fall if they ever leave. The names of the ravens can vary over time, but they are often part of the Tower's folklore.
Ravens
It has always been said that if the ravens should ever leave the Tower of London it would cause the fall of The British Empire.
Ravens. Legend says that if the ravens ever leave the Tower, the country will fall to an enemy. For this reason, the flight feathers of the ravens are kept clipped so that they cannot fly away.
Look in the link I will place below.