UvA-DARE (Digital Academic Repository) Results from the first GPS tracking of roof-nesting Herring Gulls Larus argentatus in the UK
UvA-DARE (Digital Academic Repository) Results from the first GPS tracking of roof-nesting Herring Gulls Larus argentatus in the UK
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UvA-DARE（数字学术知识库）首次对英国屋顶筑巢银鸥 Larus argentatus 进行 GPS 追踪的结果
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通讯作者：
K. Haman
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作者：
J. Pinowski;A. Haman;L. Jerzak;B. Pinowska;M. Barkowska;A. Grodzki;K. Haman
全球定位系统跟踪技术的最新发展使人们能够更详细地跟踪鸟类的活动。海鸟研究贝内匪浅，因为追踪经常在海上广泛漫游的物种面临挑战。在海鸥中，一个紧迫的问题是了解相对较新的城市殖民者的生态，以及他们与传统农村殖民地的同行有何不同。在这里，我们提出了我们认为是屋顶筑巢海鸥的第一个GPS结果。2014年5月，在康沃尔郡海滨小镇圣伊韦斯（繁殖群约250对），四只成年银鸥（两只雄性，两只雌性）被安装了GPS标签，并在2014年繁殖季节跟踪了约100天。我们估计的家庭范围的四个人，以及他们的运动行为如何通过24小时的时间和整个繁殖季节的变化。结果突出了个体之间的运动行为是如何变化的：而一只鸟则在（90%航程估计值= 560km2），向离岸> 50km飞行，经常在夜间活动或在海上栖息，两种鸟的航程较小（<10平方公里），总是在晚上出现在殖民地，很少前往离岸几百米以上的地方，而第四个显示中间行为。所有的鸟类都经常利用圣伊韦斯南部农业景观中的几个关键地点。虽然这项研究太小，无法得出关于城市银鸥的一般性结论，但它加强了大型海鸥之间个体行为的可变性，并且当应用于更大的鸟类样本时，特别是在内陆的大型城市鸥群中时，将特别有趣。
Recent developments in GPS tracking technology allow the movements of bird species to be followed in ever-greater detail. Seabird research is bene fi ting greatly, due to the challenges of tracking species that often roam widely out at sea. Amongst the gulls, one of the pressing issues is to understand the ecology of the relatively recent urban colonists and how they differ from their counterparts in traditional rural colonies. Here, we present what we believe are the fi rst GPS results from roof-nesting gulls. Four adult Herring Gulls (two males, two females) were fi tted with GPS tags in May 2014 in the seaside town of St Ives, Cornwall (breeding colony c 250 pairs), and tracked for c 100 days during the 2014 breeding season. We estimated the home ranges of the four individuals and how their movement behaviour varied through the 24-h period and across the breeding season. The results highlight how variable movement behaviour was among individuals: whilst one bird roamed widely (90% range estimate = 560 km 2 ), heading >50 km offshore and often active at night or roosting at sea, two birds had small ranges (<10 km 2 ), always attended the colony at night and rarely headed more than a few hundred metres offshore, with the fourth displaying intermediate behaviour. All of the birds regularly utilised a few key sites within the agricultural landscape south of St Ives. Whilst this study was too small to allow general conclusions to be drawn about urban Herring Gulls, it reinforces how variable individual behaviour can be amongst the large gulls and will be particularly interesting when applied to a larger sample of birds, especially in big urban gull colonies further inland.