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Table 2 Results from ANOVA of departure date by age and sex for each species and location except when age and/or sex were not known

From: Atmospheric pressure predicts probability of departure for migratory songbirds

Species

Age

Sex

American Redstart (Jamaica—Spring)

F1,27 = 4.89, P = 0.036

F1,27 = 3.15, P = 0.087

Kirtland's Warbler (Bahamas—Spring)

F1,63 = 0.46, P = 0.500

F1,63 = 22.82, P < 0.001

Kirtland's Warbler (Michigan—Fall)

F2,42 = 1.12, P = 0.335

F1,42 = 0.002, P = 0.961

Swainson's Thrush (Quebec—Fall)

–

–

Swainson's Thrush (Nova Scotia—Fall)

F1,63 = 8.76, P = 0.004

–

Blackpoll Warbler (Nova Scotia—Fall)

F1,47 = 21.61, P < 0.001

–