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A duck.
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On the left is a stork facing away from the viewer, with a long neck that curves around to the center. On the right is a phlox flower which has its base at the center and curves outwards to the right. The stork and the phlox have mirrored silhouettes and form a heart shape.
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On the left is a burr. On the right is a bird sitting on a branch facing the viewer with its beak upturned. The burr and the bird have similar silhouettes.
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Luther Burbank, a white man with short hair wearing a suit, is depicted at bust length in three-quarter view facing left.
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On the left is a crow sitting on a branch, facing left and taking the stem of a fruit into its mouth. On the right is a diagram of two crocuses with their bulbs under the soil and their flowers above. The crow and the crocuses have similar silhouettes.
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On the left is a clover flower with a bee sitting on it. On the right is a plover standing on one leg. The clover and the plover have similar silhouettes.
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On the left is a gander facing away from the viewer. On the right is a potted oleander shrub. The gander and the oleander have similar silhouettes.
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On the left is a hen facing right, with its head turned back over its wing. On the right is lichen on a rock. The hen and the lichen have similar silhouettes.
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On the left is a pelican facing the viewer, with its wings lifted. On the right are two panicles growing closely together. The pelican and the panicle have similar silhouettes.
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On the left are two pods of peas growing on a plant; the right pod has a face and is crying. On the right is a pewee perched on the pod and leaning towards the pea with its mouth open.
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On the left is a parrot perched on a branch, facing right. On the right is a two-pronged carrot which lies diagonally with its top to the right. The parrot and the carrot have similar silhouettes.
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On the left is a rue plant, with three blossoms leaning off to the right. On the right is a rooster swooping down to eat a plant. The rue and the rooster have similar silhouettes.
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On the left is a hawk sitting on a branch while a hen looks at it and a chick looks at the hen. On the right is a row of hollyhock which a hen and five chicks are walking through.
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A toucan sits on a pecan tree eating a pecan from the branches. The pecans and the beak of the toucan have similar silhouettes.
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On the left is a catbird sitting on a branch and facing left. On the right is a catnip flower. The catbird and the catnip have similar silhouettes.
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A black cat rolls in a catnip patch in front of a wall.
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On the left is a quail, standing on the ground and facing left. On the right is a kale plant. The quail and the kale have similar silhouettes.
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On the left is an auk with a branch in its mouth. On the right is an orchid flower. The auk and the orchid have similar silhouettes.
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On the left is a cowbird, drawn with the face of a cow. On the right is a cowslip flower. The cowbird and the cowslip have similar silhouettes.
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On the left is a butterball. On the right is a buttercup. The butterball and the buttercup have similar silhouettes.
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7 bars of musical notation, with a pickup measure, transcribing the song of the butter-cup.
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On the left is a roc with a goat in its mouth. On the right is a shamrock. The roc and the shamrock have similar silhouettes.
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On the left is a sparrow with its head tilted up. On the right is a tip of asparagus. The sparrow and the asparagus have similar silhouettes.
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On the left is a blue mountain lory perched on a vine. On the right is a blue morning glory growing on a vine. The lory and the morning glory have similar silhouettes.
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On the left is a tern swooping down over water. On the right is a turnip with its root in the ground and its leaves in the air. The tern and the turnip have similar silhouettes.
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A tern smiles at a turnip cooking in a pot.
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On the left are four larks flying through the air. On the right is a larkspur vine with four leaves. The larks and the larkspur have similar silhouettes.
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On the left is a crossbill sitting on a branch with a grumpy expression. On the right is a sweet William flower with a cheerful expression. The crossbill and the sweet William do not have similar silhouettes.
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On the left is an ibis, facing forward and standing on one leg. On the right is a hibiscus growing from the ground with its blossom closed. The ibis and the hibiscus have similar silhouettes.
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On the left is an Indian pipe plant, emerging from the ground and leaning right, with some blades of grass in the background. On the right is an English snipe wearing a hat and monocle, facing left with its beak extended to the ground. The pipe and the snipe have similar silhouettes.
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Two shields side-by-side, with labeled heraldry. The left shield has two crosses botonny, bend sinister. The right shield has fess argent, mantlets sable, and on top of the shield is a hat matching the hat of the snipe.
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On the left is a blue jay sitting on a branch. On the right is a Bay tree. The jay and the bay have similar silhouettes.
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On the left are two inverted gentian blossoms which resemble ladies in long dresses. On the right is a ladybird carrying a cane and tipping his top hat to the gentians.
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On the left is a puffin, looking over its shoulder to the right. On the right is an empty space.
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On the left is a bee. In the center is a beet. On the right is a beetle. The bee, the beet and the beetle have similar silhouettes.
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On the left is a bunny, facing away from the viewer. On the right is a tunny, seen from the side and facing down in the water. The bunny and the tunny have similar silhouettes.
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On the left is a cat with its back arched up and its tail hanging down. On the right is an octopus with five visible legs. The puss and the octopus have similar silhouettes.
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On the left is an eel, seen from above, with its head pointing towards the top. On the right is an elephant, facing forward. The eel and the elephant have similar silhouettes.
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On the left is an ant, facing left. On the right is a pheasant, also facing left, with a plant in the background just in front of it. The ant and the pheasant have similar silhouettes.
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On the left is a hare, leaping right down a hill after a harrier. The hare and the harrier have similar silhouettes.
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On the left is a penguin. On the right is a swordfish, drawn larger than the penguin. The penguin and the swordfish have similar silhouettes.
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On the left is a gnu, standing on a hill. On the right is a newt, floating underwater. The gnu and the newt have similar silhouettes.
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On the left, a newt is diving beneath a rock, while a fish swims above it. On the right, another newt floats to the surface of the water, next to a lily pad.
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On the left is a ray, facing front. On the right is a raven sitting on a branch. The ray and the raven have similar silhouettes.
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A raven flies forward.
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On the left, an ape hangs upside down from a branch by its tail. On the right is a bunch of grapes, hanging from a branch. The ape and the grapes have similar silhouettes. Text between the ape and the grapes reads, “To see her shape, / Invert the Ape!”
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On the left is a doe, facing right and standing on its hind legs. On the right is a dodo, also facing right. The doe and the dodo have similar silhouettes.
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On the left is a pipefish; on the right is a garfish. The pipefish and the garfish are both facing left and have their tails curled under them in a backwards “C” shape, and otherwise have similar silhouettes.
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On the left is an elk, facing away. On the right is a whelk, also facing away. The penguin and the swordfish have similar silhouettes.
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On the left is a peacock, facing left with its tail down. On the right is a cucumber, standing up on its wider end. The peacock and the cucumber have similar silhouettes.
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On the left, a branch of flowering sloe sticks out from a bottle of sloe gin. On the right, a sloth climbs a tree while its tail is caught in a gin trap. The sloe and the sloth have similar silhouettes.
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On the left is a cow’s head, facing forward. On the right is a cowry. The cow’s lips and the cowry have similar silhouettes.
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On the left is an antelope, sitting on the ground and facing right. On the right is a cantelope, resting on the ground with a leaf sticking up on the right. The antelope and the cantelope have similar silhouettes.
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On the left is a pansy blossom, with leaves and a stem beneath it. On the right is a chimpanzee, facing forward with its arms crossed in an “X” and its hands pointing upwards. The pansy and the chimpanzee have similar silhouettes.
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A nautilus floats in the water with its shell pointing downwards. The nautilus is drawn to look like a person reclining.
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On the left is a coot, facing left. On the right is a bandicoot, also facing left. The coot and the bandicoot have similar silhouettes.
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Three kangaroos; with their backs to each other, their legs pointing outwards, and their tails pointing down; form the silhouette of a tree.
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On the left is a pitcher plant growing out of the ground. On the right is a flycatcher thrush sitting on a branch growing out of the ground. The pitcher plant and the flycatcher have similar silhouettes.
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On the top is a yellowhammer bird, with its beak pointing up. On the bottom is a sawfish, with its nose pointing left. The yellowhammer and the sawfish have similar silhouettes.