BOWHEAD WHALE
(Balaena mysticetus)
BODY MASS: 75-100 tons DEEPEST DIVE: 416 m (REF 4)
BODY LENGTH: 1400-1700 cm 1 LONGEST DIVE: 3780 s (REF 3)


BEAUFORT SEA (68-70°N - 120-140°W) TOP
1980-81: Dive duration: avg= 3.43 ± 4.715 min, max= 1045s (N=105 dives)
1982: Dive duration: avg= 12.08 ± 9.153 min, max= 1859s (N=51 dives)
1982: (Observation from aircrafts with binoculars + stopwatch)
REF 1
1983: Dive duration: avg= 1.88 ± 2.36 min (N=140 dives)
1984: Dive duration: avg= 6.27 ± 7.20 min (N=37 dives)
1982: (Observation from aircrafts, continuation of work in REF 1)
REF 2
1992: Dive depth: gd-avg= 66.8 ± 23.8 m, max= 352 m (N= 8 whales)
1992: Dive duration: avg= 10.4 ± 2.4 min, max= 3780 s (N=8 whales)
1992: (6 DZ (depth & duration)+ 2 D-tags (duration), sampling= 6 & 2 s)
REF 3
DISKO BAY (69°08'N - 52°08'W) TOP
2001: Dive depth: max= 416 m (N= 1 whale)
2001: (ST16, Telonics, sampling = 10 s, 1 daily max depth)
REF 4

REFERENCES
REF 1 Würsig B, Dorsey EM, Fraker MA, Payne RS, Richardson WJ, Wells RS (1984) Behavior of bowhead whales, Balaena mysticetus, summering in the Beaufort Sea: surfacing, respiration, and dive characteristics. Canadian Journal of Zoology 62: 1910-1921
REF 2 Dorsey EM, Richardson WJ, Würsig B (1989) Factors affecting surfacing, respiration, and dive behaviour of bowhead whales, Balaena mysticetus, summering in the Beaufort Sea. Canadian Journal of Zoology 67: 1801-1815
REF 3 Krutzikowsky GK, Mate BR (2000) Dive and surfacing characteristics of bowhead whales (Balaena mysticetus) in the Beaufort and Chukchi seas. Canadian Journal of Zoology 78: 1182-1198
REF 4 Heide-Jørgensen MP, Laidre KL, Wiig O, Jensen M, Dueck L, Maiers L, Schmidt H, Hobbs R (2003) From Greenland to Canada in Ten Days: Tracks of Bowhead Whales, Balaena mysticetus, across Baffin Bay. Arctic 56: 21-31

1 Females: 1600-1800 cm (females larger than males).


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