Brood Parasitism on Elliot’s Laughingthrush by Large Hawk Cuckoo
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摘要:
2011年和2012年每年的5月到8月,在甘肃莲花山地区共发现了5例鹰鹃(Hierococcyx sparverioides)在橙翅噪鹛(Garrulax elliotii)巢中寄生繁殖的案例。鹰鹃卵为椭圆形,浅蓝色,卵壳上没有斑点。测量了其中2枚卵,卵重分别为6.9 g和7.2 g,长径 × 短径分别为29.76 mm × 20.40 mm和28.40 mm × 21.68 mm。鹰鹃幼鸟在出壳后的第20天离巢。
Abstract:
We reported 5 nests of the Elliot’s Laughingthrush (Garrulax elliotii) being parasitized by the Large Hawk Cuckoo (Hierococcyx sparverioides) at Gansu Lianhuashan Nature Reserve in the breeding season from May to August in 2011 and 2012. The eggs of Large Hawk Cuckoo were oval in shape and slightly blue in color with no spot. According to the measurements from two eggs, their size were 29.76 mm × 20.40 mm and 28.40 mm × 21.68 mm, with a fresh weight of 6.9 g and 7.2 g, respectively. One nestling of the Large Hawk Cuckoo fledged on Day 20 after hatched.
