• May Meeting: “Endothermy in the Air: Climate Change and the Challenges Birds Face Managing Body Temperature” by Dr. Don Powers

    Ashland Nature Center 3511 Barley Mill Road, Hockessin, DE, United States

    Summary: Climate change creates conditions that push birds to their limits. Flying birds produce a large amount of internal heat, and the way their feathers are positioned for aerodynamics makes it harder for them to get rid of that heat.  This is particularly true for hummingbirds, which our speaker has spent a career studying.  This family, ... Read more

  • High Tide, Horseshoe Crabs and Happy Hour with Anthony Gonzon***CANCELLED due to rain*** Save the date, 5/22/27 for next year!

    Short-billed Dowitcher by Gregory Gough Thousands of shorebirds and gulls gather here! Join Anthony at the DuPont Nature Center (2992 Lighthouse Rd, Milford, DE 19963) at 2 PM to witness the rise of high tide during peak horseshoe crab spawning and shorebird migration season.  We will bird around the Nature Center then travel to Slaughter ... Read more

  • Fair Hill Bobolinks with Ian Stewart***Note date change from May 30***

    Bobolink by Ian Stewart See Bobolinks up close! We will explore the rolling grasslands of Fair Hill NRMA just over the Maryland border in search of breeding Bobolinks and Meadowlarks, then head into the woods in search of other breeding birds. Fair Hill is an excellent place to see these declining grassland birds thanks to ... Read more

  • Norman G. Wilder Wildlife Area with Chris Bennett

    Kentucky Warbler by Chris Bennett Forest Birding at Norman G. Wilder WLA The forests of Norman G. Wilder WA provide habitat for a wide variety of nesting songbirds.  We should see and/or hear Yellow-billed Cuckoo, Wood Thrush, Yellow-throated Vireo, Black-and-white, Worm-eating, Kentucky and possibly Hooded Warblers and Scarlet and Summer Tanager among others.  Ticks may ... Read more

  • 2026 Annual DOS Picnic and Bird-a-thon Results

    Delaware Wildlands Headquarters 315 Taylors Bridge Rd, Townsend, Delaware, United States

    Annual DOS Picnic & Bird-A-Thon Results June 20th; Noon-4 pm at the Delaware Wildlands Headquarters**Food truck from 1-3pm** Fun, friends and free food in a beautiful setting. What more could you want? Come join us the annual DOS picnic for all of the above and more. We are happy to announce that the Annual Delaware ... Read more

  • Shorebirds at Bombay Hook National Wildlife Refuge with Declan O’Neil

    American Avocets by Carolyn Holland   Take a spin around the auto loop of Bombay Hook National Wildlife Refuge to see a diverse array of shorebirds and waders. We will make stops at Raymond, Shearness, and Bear Swamp Pools to see how many species we can find gorging themselves on the mudflats as they prepare ... Read more

  • 48th Annual Beginner’s Shorebird Field Trip! ***Note change of date from 7/25***

    Shorebirds for Beginners at Bombay Hook! Delaware Ornithological Society (DOS) is sponsoring a Beginner’s Shorebird Field Trip on Saturday, July 25th, at Bombay Hook National Wildlife Refuge, Smyrna, Delaware. This will be a Half Day trip - tailored for beginners, and is the 48th consecutive outing for this popular field trip. "Par" is 15 species of shorebirds, ... Read more

  • White Clay Creek State Park Bird Survey

    Black-and-White Warbler by Chase Wilkinson Join the survey! Delaware’s piedmont area is only 10% of the land mass, but has the largest, most diverse biodiversity in the state. The White Clay Creek State Park is the 4th highest ranked top birding spot in New Castle County and 49th largest Delaware area bird list by Cornell ... Read more

  • Summer’s End at Harry’s Pond with Amy O’Neil

    Harry's Pond in Summer by Amy O'Neil Come join us at this mini-birding spot hidden in the midst of the Brandywine Town Center. Summer residents are still hanging around while fall migration is picking up. Our pace will be leisurely, and most walking will be on paved paths and flat grassy areas.  Contact Carolyn at [email protected] ... Read more

  • Youth Birders: Buddy Birding at DuPont Environmental Education Center

    Great Blue Heron by Carolyn Holland If you are new to birding or want a refresher on the basics, then this outing is for you!  Experienced youth birders will partner up with new birders to practice technical birding skills like how to find birds, describe them, and use binoculars to observe them.  For returning families, ... Read more

  • Ashland Migrant Walk with Jim White

    Magnolia Warbler by Carolyn Holland Migrant Bird Walk at Ashland! Join Jim White for a ramble along the Red Clay Creek at Ashland Nature Center in search of warblers and other neotropical migrants! Bring your binoculars and spotting skills. Meet in the parking lot of Ashland Nature Center, Hockessin DE at 8:00 am. Contact Carolyn ... Read more

  • DOS September Meeting: “Dowitcher Identification: How can two species be so hard!” by Dr. Michael C. Moore

    Delaware Museum of Nature and Science 4840 Kennet Pike, Greenville, Delaware, United States

    Summary: This talk will be held in person only at the Delaware Museum of Nature and Science and will be held in the bird collection. There will be an opportunity to examine actual museum specimens of Dowitchers to see first hand the issues described in the talk. The two Dowitcher species present one of the most ... Read more