Passage: PythonOver 315 species of birds are found in the park, whereas the wider region has over 500 species of birds, including both residents and migrants.  The most prominent avian species include pea fowl, vultures, woodpeckers, pheasants, kingfishers and barbets, supplemented by a number of migratory species during the winter months.  The park is also home to the great pied hornbill, pied kingfisher and the fire tailed sunbird. This area is the first staging ground after the migratory birds cross over the Himalayas into the Indian subcontinent.The rivers which flow through the park harbour species of fish such as trout and mahseer.

Question: How many species does the larger region have?
over 500