Beluga whales are sexually dimorphic, with the males being slightly larger than the females.
Beluga whales are sexually dimorphic, with the males being slightly larger than the females.
Beluga whales are typically 4 meters (13 feet,) in length and weigh an average of 1,500 kilograms, or 3,500 pounds. Females attain their adult size at around 7 years of age and average 3.4-4 meters (11-13 feet,) in length and 500-1,000 kilograms (1,100-2,000 pounds,) while males continue to grow, achieving their larger mass at about 14 years of age. Males average 3.7-4.6 meters long (12-15 feet,) and 725-1,500 kilograms (1,600-3,300 pounds,) in weight.
Sources: (AMMPA, 2014, 2017; Balsiger, 2003; Kastelein, Ford, Berghout, Wiepkema, & van Boxsel, 1994; Katona, Rough, & Richardson, 1993; Martin, 1996; O’Corry-Crowe, 2002; Paine, 1995; Reeves, Stewart, Clapham, & Powell, 2002; Sergeant & Brodie, 1969; Williams, 2002)
Image: Cello5