of resource needs, defense costs, predation pressure and reproductive needs.

Some species of squirrels may claim as much as 10 ha of territory.For European badgers, a home range may be as small as 30 ha in a good rural habitat, but as large as 300 ha in a poor habitat. On average, a territory may be approximately 50 ha, with main setts normally at least 500 m apart. In urban areas, territories can be as small as 5 ha, if they can obtain enough food from bird tables,