The bird-watchers crept about in the bushes.观鸟者在灌木丛中蹑手蹑脚地走来走去。The nature preserve beckons bird-watchers, who visit from around the world.这个自然保护区吸引了来自世界各地的众多鸟类观察者。A map and a bird-watchers' field checklist are available at the front desk.前台有地图和观鸟地点一览表可供拿取。