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The diet of Weddell seals in McMurdo Sound, Antarctica as determined from scat collections and stable isotope analysis
Stable isotope and dive data analyses indicated that while most seals foraged predominantly on pelagic fish and squid, some juveniles concentrated on shallow benthic Trematomus spp.
The development of diving behavior in juvenile Weddell seals: pushing physiological limits in order to survive
- J. Burns
- 1 October 1999
The hypothesis that the foraging efficiency of younger seals is reduced relative to that of adults, owing to physiological and morphological constraints on aerobic dive duration, is supported and suggests that low juvenile survival might result from behavioral constraints.
Evolution of Mammalian Diving Capacity Traced by Myoglobin Net Surface Charge
- Scott Mirceta, Anthony V. Signore, J. Burns, A. Cossins, K. Campbell, M. Berenbrink
- Biology, Environmental ScienceScience
- 14 June 2013
The convergent evolution of high myoglobin net surface charge in mammalian divers increases intermolecular electrostatic repulsion, permitting higher muscle oxygen storage capacities without potentially deleterious self-association of the protein.
Ontogeny of total body oxygen stores and aerobic dive potential in Steller sea lions (Eumetopias jubatus)
- J. P. Richmond, J. Burns, L. Rea
- Environmental ScienceJournal of Comparative Physiology B
- 3 March 2006
It is indicated that juvenile Steller sea lion oxygen stores remain immature for more than a year, and therefore may constrain dive behavior during the transition to nutritional independence.
Identification and quantification of carotenoids, tocopherols and chlorophylls in commonly consumed fruits and vegetables.
Winter habitat use and foraging behavior of crabeater seals along the Western Antarctic Peninsula
Movements and diving behavior of weaned Weddell seal (Leptonychotes weddellii ) pups
Routes followed suggest that pups can use the pack ice habitat, but prefer to remain closer to the coastline than do adults.
Ecological niche modeling of sympatric krill predators around Marguerite Bay, Western Antarctic Peninsula
Responses of Antarctic pack-ice seals to environmental change and increasing krill fishing