Timing and speed of migration in male, female and juvenile Ospreys Pandionhaliaetus between Sweden and Africa as revealed by field observations, radar and satellite tracking (vol 32, pg 57, 2001)
N. Kjellen et al., Timing and speed of migration in male, female and juvenile Ospreys Pandionhaliaetus between Sweden and Africa as revealed by field observations, radar and satellite tracking (vol 32, pg 57, 2001), J AVIAN BIO, 32(3), 2001, pp. 286-286