白眼潜鸭（学名：Aythya nyroca），是雁形目鸭科潜鸭属的中型潜水鸭类。雄鸟通体呈深栗褐色，头颈部色泽尤为浓郁，尾下覆羽纯白色，飞行时展开的白色翼带与深色体羽形成鲜明对比，喙蓝灰色，具黑色尖端及淡蓝色次端环，虹膜白色或浅黄色，是其得名“白眼 ...

One of the most numerous and widespread diving ducks in North America, especially on inland waters. Can be very active when feeding, diving and surfacing repeatedly. In winter often seen on lakes and ...

The Convention on Wetlands is to “Conserve the Wetland & wise use of all wetland through local and national actions and international cooperation, as a contribution towards achieving sustainable ...

本研究开发并验证了名为DuckNet的开源深度学习工具，该工具基于RetinaNet算法与ResNet-50主干网络，实现了对无人机（UAV）采集的热-RGB双光谱影像中非繁殖期水禽物种的精准识别（平均精确度AP达88.1%）。研究通过2360张影像数据成功检测7种雄鸭、雌鸭类别及一种 ...

Madagascar, the fourth-largest island in the world, sits off the southeast coast of Africa and is a biodiversity hotspot unlike any other. Separated from mainland Africa approximately 165 million ...

A bold character with a scolding 'pitchuu' call, the Marsh Tit has declined significantly and has been Red-listed in the UK since 2022. Widely distributed in England and Wales, the Marsh Tit favours ...