• The Plainfield Park District is celebrating the end of summer with a photo contest. Snap a pic or two of your four-legged friends at one of our dog parks and then share it with us on social media using the hash tag#PPDpets by Aug. 31.
• “Nocturnal Chorus Hike for Adults" registration deadline – Event is 6 to 7:30 p.m., Aug. 29, Four Rivers Environmental Education Center, Channahon, Study insects inside the nature center, and then head out on a 1-mile hike to seek and discover marvelously loud little critters. This opportunity to travel the preserve after dark could reveal some fantastic finds. Free; ages 18 and older. Register at ReconnectWithNature.org or call 815-722-9470.
• Cat adoption – 5 to 7 p.m.; also 1 to 3 p.m., Sunday, Bolingbrook PetSmart on Weber Road. Call Humane Haven Animal Shelter at 630-378-4208 for information or an appointment. All Humane Haven cats are spayed or neutered, microchipped, FeLV/FIV tested and have their distemper and rabies shots.
• “Mission: Monarchs" registration deadline – Event is 8:30 to 9:30 a.m., Aug. 31, Isle a la Cache Museum, Romeoville. Learn techniques to safely net and tag the monarchs at Isle a la Cache and how to submit your tagging data. Come back to the site on Sept. 14 and Sept. 21 to tag the migrating monarchs. Naturalists will be on hand those two days to facilitate drop-in tagging from 8:30-11:30 a.m. Free; ages 10 or older. Register at ReconnectWithNature.org or call 815-886-1467.