highly significantp<0.001
majoris is known to decrease with age [42] , and age had a highly significant effect also in the present analysis (GLM (bird age) F 1,301 = 19.1, p<0.001, Figure 1 ).
majoris is known to decrease with age [42] , and age had a highly significant effect also in the present analysis (GLM (bird age) F 1,301 = 19.1, p<0.001, Figure 1 ).