In October 1968 the main species of weed seeds eaten by adult grey partridges, Perdix perdix were those of the genus Polygonum (L.), especially P. convolvu... GR Potts - 《Journal of Applied Ecology》 被引量: 36发表: 1970年 加载更多来源...
According to the viability indicator hypothesis, ornaments of many bird species honestly signal individual quality and health status. In this study, we investigated the health- and stress-indicating capacity of both feather- and skin-based ornamental traits in the grey partridge (Perdix perdix), a ...
Experts say the contents - which have received the nod from the new voluntary conservation programme, the Campaign for the Farmed Environment - are the minimum needed to reverse the long-term decline in birds such as skylarks, lapwings and grey partridges. RSPB director of conservation, Mark ...