sparrow

The lady is probably the fat chick's mum, because you see them all the time together - big males a bigger black patch on his breast than the youngester. The ladies have none, and are more refined, if as noisy and quarrelsome as the rest.

This is the most common visitor of all: A certain over-weight male youngster of the House Sparrow clan - noisy, badmannered, and always picking on a fight!