Go to options and enable zooming with mousewheel. Then zoom out as far as you can to see as much of the area as possible.
You can still look for more curiosities - dandelions, dragonflies, ladybugs. Also raiding ant hills may give nice curios. When you get the bone you will be able to craft few more curios like seer's bones and primitive doll. Remember to keep changing your personal beliefs towards peaceful whenever you can, to max out learning rate.
BTW, have you read sevenless' guide?
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