When it is warm and dry the birds completely ignore my bird bath. So why, when it rains hard, do the birds flock to it and bathe as if they had only just discovered water?'
The team plunges into the heap of listeners' questions.
Introduced by Derek Jones Producer JOHN HARRISON BBC Bristol
(Repeated: Sat 2.5 pm)
Questions to: Wildlife, BBC, Bristol BS8 2LR