<human>: Question: When do culls to ensure sustainability of London's deer population occur?
Answer: While Londoners are accustomed to wildlife such as birds and foxes sharing the city, more recently urban deer have started becoming a regular feature, and whole herds of fallow and white-tailed deer come into residential areas at night to take advantage of the London's green spaces.
 Is the question answered in a satisfactory fashion?

OPTIONS:
- yes
- no
<bot>: no