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Keywords from Image Description:
HumboldtPenguinLyd. Spheniscus humboldti HumboldtPinguin Humboldt Penguin Lydekker The Royal Natural History Volume Frederick Warne and Co from www archive org br in Bartlett Remarks upon the Habits and Change of Plumage of Humboldt's Penguin Proc Zool Soc tb Abraham Dee Bartlett pdold Abraham Dee Bartlett Richard Lydekker