Table 2.

The number of groups and individuals of humpback whales, mean and range in group size, and ratio of calves to adults sighted in the three survey regions during the 2012 aerial survey.

Survey region	Number of				Calf : adult ratio	Group size
	Groups	Individuals	Adults	Calves		Mean	Range
1. Port Douglas	16	30	24	6	1:4	1.88	1–3
2. Townsville	49	68	56	12	1:4.7	1.39	1–3
3. Mackay	278	464	412	52	1:7.9	1.67	1–6
Total	343	562	492	70