Franks, Samantha E.; Douglas, David J. T.; Gillings, Simon; Pearce-Higgins, James W. Environmental correlates of breeding abundance and population change of Eurasian Curlew Numenius arquata in Britain. Bird Study. 2017-07-03, 64 (3): 393–409. ISSN 0006-3657. S2CID 89966879. doi:10.1080/00063657.2017.1359233(英语).
Franks, Samantha E.; Douglas, David J. T.; Gillings, Simon; Pearce-Higgins, James W. Environmental correlates of breeding abundance and population change of Eurasian Curlew Numenius arquata in Britain. Bird Study. 2017-07-03, 64 (3): 393–409. ISSN 0006-3657. S2CID 89966879. doi:10.1080/00063657.2017.1359233(英语).
Franks, Samantha E.; Douglas, David J. T.; Gillings, Simon; Pearce-Higgins, James W. Environmental correlates of breeding abundance and population change of Eurasian Curlew Numenius arquata in Britain. Bird Study. 2017-07-03, 64 (3): 393–409. ISSN 0006-3657. S2CID 89966879. doi:10.1080/00063657.2017.1359233(英语).