All other warblers had indeed vacated the area, apparently. Against this background I could hear the ‘ dzrt’ calls of a few Arctic Warblers and an occasional burst of song from the same species, transcribed here as ‘ zezezezezezezezezezezezezeze’, increasing in strength mid-way and fading somewhat at the end.
Six years has taught me infinite patience.įour days of light easterly breezes, a drier than usual Meiyu Low Pressure System and a waning gibbous moon meant that on 1st June, there were very few nocturnal migrant warblers present, but a mellifluous fall of Black-naped Orioles Oriolus chinensis also guaranteed that the trees were alive with an orchestra of sound. I carried a lightweight Sony PCM D100 digital recorder and enough water to last an eight hour vigil. borealis and compare it with some earlier recordings. Six years later, almost to the day, I crept into the woodland of pollarded Salix at Ming Tombs Reservoir’s Flower Garden to record Arctic Warbler P. xanthodryas was on my desktop but surely an academic exercise, and not for the field…. Per’s breakthrough work (Alstrom, P, et al., Ibis (2011), 153, 395–410) on the three “borealis” sibling species, Arctic Warbler P. This was solely to further my own meagre knowledge and in order to make sense of the plethora of spring song from that myriad of phylloscopid taxa we hear and see each year. More than half a decade ago, on Professor Per Alström’s advice, I began the slow, laborious process of recording Beijing warbler songs in some systematic manner. This is his account of the incredible find on 1 June.
#Song there is a cat in the kettle at the peking moon series
It is the latest in a series of excellent records from Colm, crowned by the astonishing record of a Streak-throated Swallow ( Petrochelidon fluvicola 彩石燕 Cǎi shíyàn) at Shahe Reservoir in May 2014 which was not only a first record for Beijing but also for the whole of China!Ĭolm is one of the best birders I know and also one of the most genuine guys around. On 1 June 2021, Beijing resident, Colm Moore, found Beijing’s first Kamchatka Warbler ( Phylloscopus examinandus, 堪察加柳莺 Kān chá jiā liǔ yīng) at the Ming Tombs Reservoir in Beijing.
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