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eastern bluebird
Sialia sialis
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eastern bluebird
Sialia sialis
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eastern bluebird
Sialia sialis
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saffron finch
Sicalis flaveola
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saffron finch
Sicalis flaveola
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Southern Shovel-nosed Snake, Half-girdled Snake
Simoselaps semifasciatus
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Panama Spotted Night Snake
Siphlophis cervinus
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Tropical Flat Snake
Siphlophis compressus
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Tropical Flat Snake
Siphlophis compressus
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Wallace's fairy-wren
Sipodotus wallacii
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great spinetail
Siptornopsis hypochondriaca
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Massasauga
Sistrurus catenatus
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Massasauga
Sistrurus catenatus
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Massasauga
Sistrurus catenatus