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The cypress hills in Alberta and Saskatchewan were the northern-most location that remained south of
Gecarcinus quadratus, a land crab from Central and South America
Atlatl mammoth ivory "creeping hyena", found in La Madeleine rock shelter, dated back to c
Male South American Knob-billed Duck (S. m. sylvicola)
Four Brain Structures with High Myelination in Early Childhood
Genes of the Antennapedia complex and the adult structures they specify