Table 1.

Standardized regression coefficients (β) from simple linear regressions of six male traits and territory characteristics against nectar standing crop for 12 territorial male purple-throated caribs.

male character	β ± s.e.	statistic	p
number of bracts	0.54 ± 0.24	t1 = 2.21	0.052
wing length	0.37 ± 0.21	t1 = 1.67	0.126
tail length	0.17 ± 0.29	t1 = 0.59	0.566
tarsus length	0.56 ± 0.24	t1 =2.33	0.042
Morista's overlap	−0.62 ± 0.22	t1 =− 2.79	0.019
heterospecific theft per hour	−0.68 ± 0.21	t1 = −3.29	0.008