Ключевые слова: america, animal, arthropod, arvense, background, beautiful, biological, biology, black, bug, bull, butterfly, cardui, castle, castlerockstatepark, cirsium, close, county, creeping, danaus, danausplexippus, ecological, ecology, entomology, environment, environmental, flevoland, flower, flying, il, illinois, insect, invertebrate, lepidoptera, macro, monarch, nature, netherlands, nobody, oostvaardersplassen, orange, outdoor, park, state, thistle, vanessa, vertical, white, wildlife, wings,