Fig. 1From: Comparing community birdwatching and professional bird monitoring with implications for avian diversity research: a case study of Suzhou, ChinaDistribution of bird monitoring zones in Suzhou. The dark line shows the border line of the Suzhou prefecture city. The grey circles indicate sites where both formalized bird monitoring and community birdwatching occur. The dark circles indicate where formalized bird monitoring occurs, and the white circles indicate where community birdwatching occursBack to article page