横斑腹小鸮一新亚种—杂斑腹小鸮(鸮形目:鸱鸮科)

A NEW SUBSPECIES OF THE ATHENE BEAMA (SPOTTED LITTLE OWL)——A. B. POLKILA (BELLY-MOTTLED LITTLE OWL) (Strigiformes: Strigidae)

在横断山区鸟类考察过程中,发现采自四川宝兴县硗碛和雅江县八角楼的两号小鴞属标本与原记录的种类有显著差异,经研究认为是横斑腹小鴞(Athene brama)的一新亚种,命名为: 横斑腹小鴞 新亚种—杂斑腹小鴞Athene brama poikila Subsp.nov. 正模标本 雄性成鸟(采集号6079),1964年12月6日,采自四川省宝兴县的硗碛,海拔高度2,200米。标本保存在四川农业大学。

In our avifaunal survey of the Meridional Himalayan Region, we found a new subspecies of the Athene brama, which we propose to name, Belly-Mottled Little Owl Athene brama poikila subsp. nov. Holotype: Adult male (field no. 6079) collected from Rao Ji of Bao Xing County in western Sichuan province, alt. 2,200 m.; December 6 , 1964. Allotype: Adult female (field no. 820222) from Ba Jiao Lou of Ya Jiang County, alt. 3,100 m. in the same province, September 26, 1982. Type specimens have been deposited in the Sichuan Agricultural University (Holotype) , and Kunming Institute of Zoology, Academia Sinica (Allotype). Diagnosis: Differs from other subspecies of the Athene brama (Spotted Little Owl ) in having on abdomen mottled with dark brown, not forming transversely barred as in other subspecies; chin and throat dark brown, lower throat mottled with white but not forming white throat-patch; breast more mottled with dark brown; above, dark brown with small white spots on the crown and wing; first primary shorter than sixth and seventh; skull and feet distinctly smaller than those of A. noctua (Little Owl). A photograph of the new subspecies (Athene brame poikila ) is provided in the Chinese text (fig. 2). Measurements. Weight Wing Bill Tarsus Tail Holotypc (?) 87 169 19 22 106 Allotype ♀ 115 166 19 22 111 Habits. Roosts on trees of the mixed coniferous and broadleaf forests. Distribution. Bao Xing County and Ya Jiang County of western Sichuan Province of China, as shown on the map (fig. 1.).