Another small animal that tigers eat in Ranthambhore £¨a wildlife park in northern India£© is the porcupine £¨ºÀÖí£©£®These animals are spread widely across India in open areas and grasslands; they often live in the earth and between rocks£®They are good diggers, and in Ranthambhore are nocturnal £¨Ò¹³öµÄ£©; they only come out at night£®They weigh 12 to 16 kilograms and reach the length of 80 to 90 centimetres£®They live usually on vegetables and fruit and seem to have a good sense of smell£®Porcupines defend themselves when attacked by moving backwards with their quills upright, often making a strange noise£®