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Table 1.

Dive data summary for tagged humpback whales

WhaleDate (m/d/yr)Foraging dives recordedDive duration (min)Maximum dive depth (m)Descent duration (min)Average descent speed (m s–1)Average descent angle (deg.)Proportion of descent gliding (%)Number of lunges per dive*Ascent duration (min)Average ascent speed (m s–1)Average ascent angle (deg.)
MnA 9/28/04 43 7.7±2.0 139±29 1.3±0.4 1.7±0.2 –57±8 47±18 8±4 (16) 1.6±0.4 1.4±0.2 56±11 
MnB 9/28/04 15 7.9±1.5 156±25 1.1±0.1 1.5±0.4 –60±8 50±14 6±3 (10) 2.0±0.9 1.5±0.3 55±19 
WhaleDate (m/d/yr)Foraging dives recordedDive duration (min)Maximum dive depth (m)Descent duration (min)Average descent speed (m s–1)Average descent angle (deg.)Proportion of descent gliding (%)Number of lunges per dive*Ascent duration (min)Average ascent speed (m s–1)Average ascent angle (deg.)
MnA 9/28/04 43 7.7±2.0 139±29 1.3±0.4 1.7±0.2 –57±8 47±18 8±4 (16) 1.6±0.4 1.4±0.2 56±11 
MnB 9/28/04 15 7.9±1.5 156±25 1.1±0.1 1.5±0.4 –60±8 50±14 6±3 (10) 2.0±0.9 1.5±0.3 55±19 

Values are means ± s.d. *Maximum value given in parentheses

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