...Mason R. Cole; Colin Ware; Elizabeth A. McHuron; Daniel P. Costa; Paul J. Ponganis; Birgitte I. McDonald ABSTRACT Diving is central to the foraging strategies of many marine mammals and seabirds. Still, the effect of dive depth on foraging cost remains elusive because energy expenditure...

... part of descent or when they were presumed to be chasing prey at the bottom of dives. Flipper beating stopped during the latter part of ascent: at 29±9 % (mean ± S.D.) of dive depth(mean dive depth=136.8±145.1 m, N =425 dives) in king penguins,and at 52±20 % of dive depth (mean dive depth=72.9±70.5 m...

... Limited 2002 2002 vision eye size vertebrate dive depth ichthyosaur. Ichthyosaurs were large marine reptiles that lived between 90 and 250 million years ago. Fossil evidence suggests that several species had very large eyes in comparison with those of the extant dolphins, with which...

...Shingo Minamikawa; Yasuhiko Naito; Katsufumi Sato; Yoshimasa Matsuzawa; Takeharu Bando; Wataru Sakamoto ABSTRACT Time-series data of swimming speed and dive depth were recorded in six female loggerhead turtles Caretta caretta during the internesting period. The dive profiles of all animals...

..., University of California, Santa Cruz, CA 95064, USA. ‡ Present address: National Marine Fisheries Service, NOAA, 8604 La Jolla Shores Drive, La Jolla, CA 92037, USA. 10 12 1991 © 1992 by Company of Biologists 1992 cardiac output stroke volume dive depth duration seal...