Systematic removal of House Sparrow nests from streetlights by the Crane Hawk: evidence of urban foraging adaptation

Appendix 1. Records of perches (or absence of perching) used for foraging by the Crane Hawk according to type of perch*, perching structure, whether foraging was perceived and locations according to online ornithological platforms (ML = Macaulay Library and WA = Wikiaves). The number of independent and overall records are indicated. The behaviour column refers to the documentation of artificial perches only. *Artificial perches were defined as man-made structures.附录1 鹤鹰（Crane Hawk）觅食所用栖木（或无栖停行为）的记录，按栖木类型*、栖停结构、是否观测到觅食行为，以及在线鸟类学平台（ML=麦考利图书馆（Macaulay Library）、WA=维基鸟类（Wikiaves））标注的分布地点整理。数据集标注了独立记录数与总记录数，其中行为列仅针对人工栖木的相关记录进行说明。 *人工栖木定义为人造结构。