第三十八期：半途而废还是养精蓄锐：白鹤迁徙路线新知

本期撰稿：和平鸽这几天是清明假期， 很多朋友应该全出门观鸟了吧。 这是个最好的季节，春迁的候鸟有的回来了， 有的已经在路上了。 不过， 你知道有的候鸟并不会走完全程么？他们可能会在途中停留度夏， 这又是什么原因呢？我们可以根据白鹤的迁徙行为得出一些有意思的结论。 图片转自公众号-西郊乐话（那些来自蒙古的鹤类——白枕鹤、白鹤）The next Siberian crane with ablue-white-bluering on its right leg was ringed withtransmitteron August 4, 2021 in the Kholboo sar lake (48.20343N, 110.02328E) of the NR Khurkh Khuiten. Photo DSC1890. Do you have a photo showing the transmitter on its back?In the case of the white-backed crane here, it is not clear whether the ring on the right leg isred-yellow-blue or red-yellow-black. It looks like red-yellow-blue. If the lowest ring is blue, there is a ringed and transmitter-equipped bird in Duut Lake, Khurkh Khuytniy BNG (48.3361N, 110.377239E) on June 13, 2022. (Photo IMG20220613_151514)2024年3月在北京沙河水库拍摄到的白鹤母子 Photo by Denver在这期节目中， 我们提到过鸟名斑尾塍鹬 Bar-Tailed Godwit （Limosa lapponica）白鹤 Siberian Crane （Leucogeranus leucogeranus）白琵鹭 Eurasian Spoonbill （Platalea leucorodia）蓑羽鹤 Demoiselle Crane （Grus virgo）片头音乐：序 - 雪沉乐队 《鹤行》2021年发行片尾音乐：鹤行 - 雪沉乐队 《鹤行》2021年发行参考文献：[1] Rozenfeld S B, Bysykatova-Harmey I P, Barykina D A, et al. Modern Trends in Populations of the Siberian Crane (Grus leucogeranus) and the Sandhill Crane (Grus canadensis) (Gruidae, Gruiformes) on the Tundra of Yakutia and Chukotka Based on Aerial Surveys[J]. Biology Bulletin, 2023, 50(8): 1977-1989.[2] Rosenberg K V., Dokter A M, Blancher P J, et al. Decline of the North American avifauna[J]. Science, 2019, 366(6461): 120-124.[3] Yi K, Junjian Z, Batbayar N, et al. Using Tracking Data to Identify Gaps in Knowledge and Conservation of the Critically Endangered Siberian Crane (Leucogeranus leucogeranus)[J]. Remote Sensing, 2022, 14(20).[4] Xi J, Deng X, Zhao G, et al. Migration routes, behavior and protection status of Eurasian Spoonbills (Platalea leucorodia) wintering in China[J]. Avian Research, 2021, 12(1): 1-17.