Table 2 A comparison of the proportions of intraspecific (P_Intra) and interspecific (P_Inter) aggressive interactions for each swan species and age class

From: Behavioural and energetic consequences of competition among three overwintering swan (Cygnus spp.) species

Species	Age class	P_Intra	P_Intra 95% CI	P_Inter	P_Inter 95% CI	χ²	P value
Bewick’s	Adult	0.744	0.724–0.820	0.226	0.180–0.276	184.3	< 0.001
	Cygnet	0.882	0.761–0.956	0.118	0.044–0.239	56.6	< 0.001
Mute	Adult	0.842	0.740–0.916	0.158	0.084–0.260	68.4	< 0.001
	Cygnet	0.714	0.419–0.916	0.286	0.084–0.581	3.6	0.059
Whooper	Adult	0.852	0.808–0.890	0.148	0.110–0.192	305.6	< 0.001
	Cygnet	0.918	0.804–0.977	0.082	0.023–0.196	65.3	< 0.001

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ISSN: 2053-7166

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