专家调查揭示了气候变化对 collared pika（ collar 犬）的主要威胁机制，包括夏季气温升高、融雪事件和阿尔卑斯草甸灌丛化，并建议以监测种群趋势、研究气候影响和公众教育为核心 conservation plan。 该研究聚焦于加拿大育空地区collared pika（荒漠兔）的保护计划 ...

Aim: Pikas (Ochotona spp.) are alpine specialists that show considerable morphological and genetic variation structured along latitudinal and elevational gradients. Recent studies of North American ...

For the most part, the collared pika is a vegetarian. But winters are cold in Alaska, and when the opportunity presents itself, this adorable animal finds a food source that is decidedly not ...