1472-6785-7-14-3.jpg (60.15 kB)

Upside-down swimming behaviour of free-ranging narwhals-4

figure

posted on 2011-12-30, 19:49 authored by Rune Dietz, Ari D Shapiro, Mehdi Bakhtiari, Jack Orr, Peter L Tyack, Pierre Richard, Ida Grønborg Eskesen, Greg Marshall

Copyright information:

Taken from "Upside-down swimming behaviour of free-ranging narwhals"

http://www.biomedcentral.com/1472-6785/7/14

BMC Ecology 2007;7():14-14.

Published online 19 Nov 2007

PMCID:PMC2238733.

l and ventral sides up indicated by dark blue and red, respectively (see text for details on their calculation). Portions of the dive with roll values that did not fall into these two categories are grey. Note the different ranges on the time axes.