前一期主要谈的是鹭科鸟类,本期和后两期我们谈谈湿地中的鸟类以及如何识别它们。湿地,一般认为是陆地与水域间的过渡地带,它是地球上有着多功能的、富有生物多样性的生态系统。湿地的类型多种多样,通常分为自然和人工两大 The previous issue mainly dealt with ardeidae birds. In this and the latter two we talk about birds in wetlands and how to identify them. Wetlands, generally considered as a transitional zone between land and water, are multi-functional, biodiversity-rich ecosystems on Earth. There are many types of wetlands, which are usually divided into natural and artificial