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Gerald L. Kooyman

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Stand Alone

Weddell Seal: Consummate Diver
Penguins
Weddell Seal, Consummate Diver
Journeys with Emperors Tracking the World's Most Extreme Penguin
Penguins The Animal Answer Guide
Annual Cycles of Diving Behavior and Ecology of the Weddell Seal
Weddell Seal Consummate Diver
Fur Seals Maternal Strategies on Land and at Sea
Fur Seals Maternal Strategies on Land and at Sea
Fur Seals