Possible Clues:

• Tanzanian plain renowned for its wildlife
• National Park, green site for development
• African reserve with awful sneer has to pick up second winger
• Dispersed greenest one in Africa for the wildebeest
• Plain site, green building
• Tiger seen on the run here?
• Tanzanian tourist destination
• Understand one is after mostly calm area of the plain
• Afr. plain; green site (anag.)
• Wild tiger seen in this national park