four painted lady butterflies on rabbitbrush

insect flower yellow animal invertebrate butterfly nature wildlife wildflower plant pollinator meadow prairie leaf arthropod autumn painted lady butterflies rabbitbrush migration four butterflies group migration wings rabbitbrush wildflower wild plant yellow pollen nectar drought tolerant attracts sipping super colorado cherry creek state park beneficial insect invertebrate habitat loss flower clusters xerispace horticulture environment close macro detailed natural habitat green silvery leaves orange green fall pollinating gathering grouping together animal biology ecology balanced ecosystem