Budapest had once been three separate cities situated along the Danube River with Buda and Óbuda located on the west bank and Pest located on the east bank. The three cities merged to form Budapest in 1873. The Széchenyi Chain Bridge, completed in 1849, is the oldest bridge crossing the Danube in Budapest.
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Perdix perdix - The grey partridge has the typical appearance common to the pheasant family; a plump body, short tail, and the preference to running from danger instead of flying. They have strong breast muscles to power an explosive takeoff, but those flights are low and usually of short duration. The grey partridge feeds primarily on grass and seeds. Females will add insects to their diet during the breeding season to assure a healthy clutch of eggs; up to 16 eggs can be produced, the largest clutch of any living bird.