Table 1.

Number of aggressive behaviors per hour for Bird 1128 compared with the average rates for TS and WS females in this study. Rates during trials with WS females are shown in open columns and those during trials with TS females are shown in shaded columns.

		Short-day trials				Long-day trials
		Trials with WS females		Trials with TS females		Trials with WS females		Trials with TS females
		Bird 1128	WS females	Bird 1128	TS females	Bird 1128	WS females	Bird 1128	TS females
Physical behaviors (per hour)	Displacements	8.3 ± 4.5 (0–16)	52.4 ± 17.6 (0–252)	74.3 ± 58.9 (1–189)	28.3 ± 11.1 (0–162)	62.3 ± 6.5 (37–77)	13.8 ± 3.6 (0–94)	55.8 ± 12.2 (17–93)	10.0 ± 4.1 (0–77)
	Chases	0	2.2 ± 0.7 (0–14)	0.5 ± 0.3 (0–1)	0.4 ± 0.2 (0–5)	10.0 ± 1.6 (5–15)	0.4 ± 0.2 (0–4)	13.9 ± 5.6 (1–30)	0.4 ± 0.3 (0–6)
	Attacks	0	0.6 ± 0.2 (0–3)	0.3 ± 0.3 (0–1)	0.3 ± 0.2 (0–2)	1.9 ± 1.1 (0–8)	0.1 ± 0.1 (0–2)	4.0 ± 1.5 (0–8)	0.3 ± 0.2 (0–4)
	Hold-offs	0	0	0	0.1 ± 0.1 (0–1)	0.4 ± 0.3 (0–2)	0.1 ± 0.1 (0–1)	0.5 ± 0.5 (0–3)	0.1 ± 0.1 (0–1)
Vocalizations (per hour)	Songs	5.3 ± 3.9 (0–13)	5.0 ± 2.8 (0–57)	18.3 ± 17.3 (0–53)	0.3 ± 0.3 (0–5)	59.3 ± 17.6 (5–124)	0.3 ± 0.2 (0–8)	35.1 ± 13.2 (0–78)	0.2 ± 0.2 (0–4)
	Chip-ups	16.3 ± 13.4 (0–43)	1.0 ± 0.5 (0–10)	11.3 ± 10.6 (0–33)	0.2 ± 0.1 (0–2)	4.3 ± 3.3 (0–21)	1.3 ± 0.3 (0–5)	8.5 ± 3.7 (0–18)	2.3 ± 1.1 (0–21)
	Chips	7.0 ± 5.8 (0–19)	1.6 ± 0.7 (0–13)	0.8 ± 0.8 (0–3)	0.3 ± 0.1 (0–2)	6.0 ± 2.5 (0–15)	3.0 ± 0.9 (0–24)	7.8 ± 3.7 (2–21)	3.1 ± 1.4 (0–28)
	Trills	0	0	0.2 ± 0.2 (0–1)	0	0.6 ± 0.4 (0–3)	0.7 ± 0.5 (0–20)	0.2 ± 0.2 (0–1)	0.3 ± 0.2 (0–3)

Values are mean ± SEM, with ranges in parentheses