May 1993 – vol. 86, issue 5, pp 231–242 Hong Kong lies just within the tropics on the South China coast at longitude 22°20'N and latitude 114°10'E. Its land area is only a little over 1,000 km², yet in Mai Po and Deep Bay, in the northwestern New Territories (plates 58 & 59), it boasts a wetland of truly international importance. Wintering waterbirds include such rarities as Black-faced Spoonbill Platalea minor and Saunders's Gull L... This article is only available to registered users.To read more, please log in or purchase a subscription.