Table 3

Four different walrus foraging behaviours in number of sequence counts and seconds for 12 underwater recordings combined. Young Sound, Northeast Greenland 2001.

Feeding behaviour

Total no. of sequences

Min no. of strokes per sequences

Max no. of strokes per sequences

Total time

Min time

Max time

% foraging behaviour sequences

% foraging behaviour total time


Right flipper

183

1

55

2881

1

73

48

66

Left flipper

23

1

12

166

2

21

6

4

Water-jet

12

-

-

37

1

17

3

1

Muzzle-use

163

-

-

1297

1

134

43

29


Observed feeding behaviours of walruses in total number and time in seconds of sequence counts with the minimum and maximum number and time of sequences from 12 recordings. Last two columns are feeding behaviours in percent for sequence counts and total time.

Levermann et al. BMC Ecology 2003 3:9   doi:10.1186/1472-6785-3-9

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