Results of two-way ANOVAs comparing effects of photoperiod (24L versus natural photoperiod) and sampling date on plasma levels of luteinizing hormone
| Species . | Sample date . | Photoperiod . | Date × Photoperiod . |
|---|---|---|---|
| Red crossbill | F2,12=0.1 | F1,6=1.3 | F2,12=0.4 |
| Pine siskin | F2,16=14.2* | F1,8=9.6* | F2,16=12.6* |
| Cassin's finch | F2,12=1.0 | F1,6=1.1 | F2,12=3.8 |
| Gray-crowned rosy-finch | F2,8=3.6 | F1,4=4.2 | F2,8=2.6 |
| Species . | Sample date . | Photoperiod . | Date × Photoperiod . |
|---|---|---|---|
| Red crossbill | F2,12=0.1 | F1,6=1.3 | F2,12=0.4 |
| Pine siskin | F2,16=14.2* | F1,8=9.6* | F2,16=12.6* |
| Cassin's finch | F2,12=1.0 | F1,6=1.1 | F2,12=3.8 |
| Gray-crowned rosy-finch | F2,8=3.6 | F1,4=4.2 | F2,8=2.6 |
Data are illustrated in Fig. 5.
P<0.05.