Additional file 1 of Far eastern curlew and whimbrel prefer flying low - wind support and good visibility appear only secondary factors in determining migratory flight altitude

Additional file 1: Table S1. A summary of information on catching sites, deployment dates, number and type of deployed transmitters for both far eastern curlew and whimbrel. Fig. S1. The distribution of ground speed measurements acquired by the transmitters for far eastern curlew and whimbrel. Fig. S2. Relationships between atmospheric conditions at the actual flight altitude of far eastern curlew and whimbrel. Table S2. Atmospheric conditions at the actual flight altitude of far eastern curlew and whimbrel during northbound and southbound migration. Table S3. Effects of atmospheric conditions and altitude on far eastern curlew’s and whimbrel’s flight altitude selection as estimated using conditional logistic mixed effect modelling.