Sadly 5 of the original 7 blue tit chicks have now died. Such a high death rate is typical of blue tit broods, but it does mean the remaining chicks have a greater chance of survival because there is more food to go around.
Fred installed a bird box with a camera on the roof garden a few months ago. It's now home to a family of tits and is producing some lovely shots.
A mother and her baby blue tits have made their home in the bird box in our roof garden.
Here's the latest from the bird box cam!
All day our mother blue tit has been in and out of the nest feeding her hungry chicks.
Our mother blue tit has been working hard to feed her seven chicks. She's been in and out of their home constantly making sure they get enough food.