While back in the UK in May I watched a pair of Blue tits who had nested in a bird house in my Dad's garden going backwards and forwards with food. I didn't get to see the babies fledge, but my Dad reports that they did. Does anyone know if they will have two broods in a season or just the one?
A small Blue Tit bird perched on a metal bracket with a yellow background behind. The bird has a tiny yellow/green caterpillar in it's beak.