Around any kind of water – garden ponds, lakes, rivers and even on estuaries. Sometimes, grey herons circle high up into the sky and can be mistaken for large birds of prey.
Adults are white all over and young birds greyish with a pinkish bill. Compared to the similar whooper swan, these swans have proportionally more black and less yellow on their bill. They're also smaller than both mute and whooper swans and have faster wingbeats. [RSPB]
This is a big, colourful duck, bigger than a mallard but smaller than a goose. Both sexes have a dark green head and neck, a chestnut belly stripe and a red bill.