WildBristol.uk - Discovering Wildlife in Bristol

Common and widespread throughout the UK. And has spread signifcantly since it was first introduces in the 1950s. Before then it was a migrant species visiting in the winter. Influxes from North America still arrive in the winter adding to the resident population. Habitat includes: Slow moving water bodies particularly near habitation such as urban parkland, ponds, lakes, rivers, dykes, canals.