Gregarious, with groups of up to several hundred animals hauling out among ice floes, and groups of up to several thousand males at terrestrial haulouts during the summer. Natural adult mortality rate is relatively low.
This article is unpublished.
Appears under "General Ecology"
Some rights reserved
Gotthardt, T. A., and G. Hammerson. Reviwed by D. Tessler, Alaska Department of Fish and Game.
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