Locascio and Mann: Diel and seasonal tinning of sound production by Pogonias cromis 
335 
0000 
2200 
2000 
1800 
1600 
• • 
* % ...••** *••• " 
• • 
• PG 2005 
•• • • 
• • 
Figure 7 
Synoptically recorded data of chorus start time of black drum ( Pogonias cromis ) sound production from all 
study sites. Data recorded at the Cape Coral (CC) sites were highly correlated with each other but not with 
data recorded at the Punta Gorda site (PG) (details are given in Table 5). 
