Scarborough Marsh Audubon Center is offering a kayak tour on Saturday, Aug. 20, at 12:30 p.m. The Dunstan River paddlers will discover the wildlife and plants of the Scarborough Marsh and see the marsh’s many inhabitants, from snowy egrets to mummichogs. A trained naturalist will also show off the variety of marsh plants.

The cost is $13 for members and $15 for non-members. Deduct $1.50 if using your own kayak.All participants must be 16 or older. See www.maineaudubon.org/find-us/scarborough-marsh email smac@maineaudubon.org or call 883-5100 to sign up or for more information.