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Breeding Patterns of Asian Horned Larks (Eremophila alpestris nigrifrons) on the Tibet Plateau

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  • معلومة اضافية
    • بيانات النشر:
      Wilson Ornithological Society, 2016.
    • الموضوع:
      2016
    • نبذة مختصرة :
      Horned Larks (Eremophila alpestris) occur widely across North America, Europe, and central Asia. Knowledge of the breeding biology of Asian Horned Larks is minimal, especially for those populations found at high altitudes. Here, we report breeding patterns of this species at 3,400 m in alpine grasslands of the northeastern Tibetan plateau. Horned Larks are resident throughout the year at our study site. The mating system is social monogamy; nests are built on the ground by the female alone and territories are intensely defended during the breeding season. Clutches are initiated from late April to mid-July, during which a pair may make two nesting attempts. Clutch size averaged 2.52 eggs, and brood parasitism was never observed. Incubation was undertaken by females and lasted 12.4 days; young in the nest were fed by both parents for 9.9 days. Nest success calculated by the Mayfield method was 13.7%. Seasonal variation existed for vegetation height, egg and clutch size, and nest success. Taller veg...
    • ISSN:
      1938-5447
      1559-4491
    • الرقم المعرف:
      10.1676/1559-4491-128.1.174
    • الرقم المعرف:
      edsair.doi...........6f39e91e00ca56f5aac93093fb239076