Using biometrics to sex adult Eurasian Curlews Numenius a. arquata

摘要

We analysed the biometrics of molecularly-sexed Eurasian Curlews of the arquata subspecies to determine the most accurate means of identifying sex using measurements. We found that bill length alone could be used to predict the sex of most curlews (64/67 or 95.5%) and that the inclusion of wing length did not improve the proportion sexed correctly. In the Appendix we provide instructions on how to determine the sex and sex-ratio of adult Eurasian Curlews.