Why is my cat suddenly bringing in 'presents'?

[Dr Murdoch]

Over the last 3/4 days we have woken up with 3 x dead mice and 1 x dead bird in the kitchen. However, before these recent deliveries, our cat has not brought us anything for about 5 months.

Is this due to mice/birds coming out of their nests due to the warmer weather? Or is our cat just feeling loved up at the moment and wants to show us