Bombay Hook National Wildlife Refuge, 2591 Whitehall Neck Road, Smyrna, announced its April schedule of events and programs.

Programs are free with paid entry of $4 per vehicle.

— Impoundment Bird Identification Tour: 10 a.m. to noon April 7. Participants will join Volunteer Terry Willis for a bus tour of the refuge impoundments and bayside. Participants will see and identify the winter waterfowl, resident herons and shorebirds along with eagles and other passing raptors. Viewing scopes will be provided. To register: 653-9345,

— Refuge Introduction Tour: 1:30 to 3:30 p.m. April 8. Participants will climb aboard the refuge’s 12-passenger bus for a two-hour guided tour of the refuge, look for wildlife, walk a short trail and learn how the various habitats on the refuge are managed to provide the food, water and cover needed by the many species of wildlife that live on or pass through the refuge. Guests can bring binoculars; the Visitor Center will have some for guests to borrow. To register: 653-9345, Also 10 a.m. to noon April 20.

— Garden Keepers — Trim and Install Metal Edging: 1 to 3 p.m. April 12. Participants will join Larry and Leslie Cook for hands-on garden maintenance. Participants will learn garden techniques; bring garden gloves.

— Delaware State’s Waterfowl and Trout Stamp Contest Exhibit: On display in the auditorium from 9 a.m. to 4 p.m. April 17-26. Delaware’s Waterfowl and Trout Stamp contest is sponsored by the Division of Fish and Wildlife, DNREC. After the contest, the artwork from the waterfowl and trout stamp contest will be on display at Bombay Hook’s Auditorium. The winning artwork is reproduced on a stamp which must be carried by most hunters and anglers. They are also purchased by collectors and conservationists. The funds from the State Duck Stamp sales are used for waterfowl conservation and funds from the Trout Stamp are used to purchase trout for stocking in selected streams around the state.

— Bird Walks with Marcia Poling: 8 to 11 a.m. April 18. Participants will join Marcia Poling, avid birder and artist, to look for early songbird arrivals from Mexico and South America. The group will walk several trails in search of songbirds and will stop to identify shorebirds along the wildlife drive. Location to be determined, depending on current sightings. Meet at the Visitor Center. Also 8 to 11 a.m. Wednesdays through May 30.

— Jr. Rangers Learn About Gardening for Wildlife: 9:30 a.m. to noon April 21. New and returning children ages 7-11 can celebrate Earth Day weekend and learn how to create a natural wildlife garden using native plants. Participants will learn how to make a difference for wildlife by providing food, water, cover and a place to raise their young — right in the backyard. Each family participating will receive a kit to make a plant press. To register: 653-9345,

— Tour of the Refuge: 11 a.m. to 12:30 p.m. and 1:30 to 3 p.m April 22. Participants will join Volunteer Ray Cullom for a tour of the refuge, find out how the refuge is managed for wildlife, visit different habitats and walk a trail. Meet at the Visitor Center. Also 11 a.m. to 12:30 p.m. and 1:30 to 3 p.m. April 29.

— Beginning Birding Warbler Program: 10 to 11:30 a.m. April 28. Eileen McLellan and Terry Willis will give a presentation on the warblers migrating through Bombay Hook during the spring.

— Beginning Birding Warbler Walk: 8 to 10 a.m. April 29. The walk will be on one or two trails along the wildlife drive with expert birders Eileen McLellan and Terry Willis. This will be a way to practice what was learned at the Warbler Program the day before or for anyone who wants to look for warblers.