Parrot Tricks : Teaching Parrots with Positive Reinforcement
Tani Robar
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Format: eBook (EPUB)
Parrot Tricks : Teaching Parrots with Positive Reinforcement
Tani Robar
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Format: eBook (PDF)
Natural Histories : 25 Extraordinary Species That Have Changed our World
Brett Westwood
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Format: eBook (EPUB)