Table 2 Results of GLMM of wind speed at three altitudes on ground speed of four Icelandic whimbrels tracked during migration between Iceland and West Africa.

From: Very rapid long-distance sea crossing by a migratory bird

 Estimate (SE)dft valuep value
Intercept12.11 (0.56)7121.487<0.001
Wind 1500 m0.51 (0.21)712.4360.017
Wind 3000 m0.16 (0.29)71−1.1970.235
Wind 5500 m0.70 (0.13)711.4330.156