A. Sexual maturity.
Male beluga whales become sexually mature at about eight to nine years of age, and females at about four to seven years (Nowak, 1991).
B. Mating activity.
1. Breeding generally takes place in March through May, about 10 months after calving (Haley, 1978).
2. Beluga whales breed in small bays and estuaries (Katona, Rough, and Richardson, 1983).
3. A single dominant male may mate with several females (MacDonald, 1993; SWT).
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