Sentence:  They 've got a big vulture from Tanganika at the zoo here , with a wife for him , too , very rare birds , both of them , the only Vulturidae of their species outside <WSD>Africa</WSD> . 
Meaning of the word marked with <WSD> tags:  the second largest continent; located to the south of Europe and bordered to the west by the South Atlantic and to the east by the Indian Ocean