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You expect it to have a detailed description of every animal that existed? I don't see much mention of Zebras and Dodo birds either.
That is my point. The Creationists claim the bible has ALL the answers. The Evolutionists claim that animals (including man) evolved over time. Evolutionists need not insist that we all climbed from the slime; but a fairly cursory view of skeletonal remains shows changes over time. Proof is at your neighborhood museum.
IMHO, the truth lies somewhere in the middle, Creationism and evolution are not necessarily mutually exclusive.