... measurement of time in this statement . The problem is that " half a day ... length and 2.5 kilometers in width at its widest point , but for much of its ... ( Puffinus opistomelas ) ( Skydancer 1998 : 144 Journal of California and ...
... size ( to ca. 100 pairs ) . However , these changes may have been due to ... ( Puffinus spp . ) off the west coast of Canada . J.R.Guzman , M.T.Myres ( Dep ... opistomelas , was seen in the Gulf of Alaska . Sooty shearwaters occur ...