Hotline: Voice of the Naturalist Date: 5/12/98 Coverage: MD/DC/VA/DE Telephone: 301-652-1088 Reports (voice): 301-652-9188 x3101 (fax): 301-951-7179 (email): voice@capaccess.org (deadline): midnight mondays Compiler: Jane Hill Sponsor: Audubon Naturalist Society of the Central Atlantic States (independent of NAS!) Transcriber: Steve Cordle (scordle@capaccess.org) !!Check www.capaccess.org/snr/vguide.txt for guidelines on reporting your sightings!! This is the Voice of the Naturalist, a service of the Audubon Naturalist Society. This tape was made Tue, May 12, at 3:30 pm. Please consider joining the Society, especially if you are a regular user of the Voice (Indiv.$30; Family $40; Nature Steward $60; Audubon Advocate $100). The membership number is above,the address is 8940 Jones Mill Road, Chevy Chase, MD 20815, and the website is http://www.AudubonNaturalist.org. Top birds this week are: LARK SPARROW, WHITE-RUMPED SANDPIPER, and BICKNELL'S THRUSH in VA; "BREWSTER'S WARBLER" in DC and VA; MOURNING WARBLER in VA and MD; and SEDGE WREN in DE. Other birds of interest include: Loons, YELLOW-CROWNED NIGHT-HERON, LITTLE BLUE HERON, ducks, COMMON MOORHEN, KING RAIL, RED KNOT, DUNLIN, RUDDY TURNSTONE, cuckoos, flycatchers, PHILADELPHIA VIREO, warblers, ROSE-BREASTED GROSBEAK, VESPER SPARROW, and BOBOLINK. A LARK SPARROW was found along Oatlands Mill Rd at the Dulles Greenway Wetlands, Loudoun Co, VA, on May 9. It was first spotted at 8 a.m. and then relocated by another observer at 11 a.m., as it sat on the road and on a fence, about 3/4 mi east of US Rt 15. Also at the Dulles Greenway Wetlands on May 9 was a WHITE- RUMPED SANDPIPER. A SEDGE WREN was seen and heard at Shearness Pool, Bombay Hook NWR, DE, on May 11; it was frequenting vegetation along the road. A BICKNELL'S THRUSH was spotted along a macadam trail in Glen Carlyn Pk, east of the park entrance at 3rd and Harrison Sts., Arlington, VA, on May 9. Warblers were reported widely, with a total species count of 34, the highest weekly total so far this spring. Highlights included a MOURNING WARBLER, spotted along Four-Mile Run, east of the W & OD Trail, Arlington, VA, on May 11. Another MOURNING WARBLER was reported from Conowingo Dam, Harford Co, MD, on May 9. Other warbler highlights included "BREWSTER'S WARBLER", a hybrid between Golden-winged and Blue-winged Warblers, with one bird seen again near picnic area #18 in Rock Creek Pk, DC, on May 6; another bird seen at Four-Mile Run, Arlington, VA, on May 5; and still another bird, seen together with GOLDEN-WINGED and other warblers, in a residential area of Reston, Fairfax Co, VA, on May 9. A GOLDEN-WINGED WARBLER was also reported from the Horsehead Wetlands Center, Graysonville, Queen Anne's Co, MD, on May 5; and another was at Huntley Meadows Pk, Fairfax Co, VA, on May 9. Heron reports included YELLOW-CROWNED NIGHT-HERON, with one bird seen in fields behind the impoundments at Hughes Hollow, Montgomery Co, MD, on May 10; and another bird observed along Sligo Ck Pkwy, just south of the intersection with Piney Branch Rd, Takoma Park, Montgomery Co, MD, on May 8. Other heron reports included an adult LITTLE BLUE HERON in breeding plumage, seen in dead trees in the reservoir at Black Hill Regional Pk, Montgomery Co, MD, on May 8 and 9; the bird was in the area near Spinning Wheel Dr and Waters Landing Dr. Another LITTLE BLUE HERON was seen at Huntley Meadows Pk, VA, on May 9. Other water bird reports included a COMMON MOORHEN, which was frequenting the large impoundment at Hughes Hollow, Montgomery Co, MD, on May 9. And at least 60 RED KNOTs were spotted at Little Ck Wildlife Area, DE, on May 6, as shorebird numbers continue to build on the DE coast. Breeding birds were much in evidence at Huntley Meadows Pk this week, with adult KING RAILs and three young reported on May 6 and 10; and an adult HOODED MERGANSER with six young there the same day. Also in evidence this week were lingering winter water birds, with a HARLEQUIN DUCK spotted on Chesapeake Bay Bridge- Tunnel Is #3 on May 7; a sub-adult COMMON EIDER off Cape Henlopen, DE, on May 8; an immature male KING EIDER at the Chesapeake Bay Bridge-Tunnel on May 9; and three RED-BREASTED MERGANSERs near Sycamore Landing, Montgomery Co, MD, on May 9. A winter-plumaged RED-THROATED LOON was spotted at Fenwick Island, DE, on May 10. Six COMMON LOONs and five RUDDY DUCKs were observed at Black Hill Reg Pk, Montgomery Co, MD, on May 9. And five COMMON LOONs were flying over Patuxent Research Refuge, Anne Arundel Co, MD, also on May 9. A DUNLIN was seen among the Lesser Yellowlegs at Haines Pt (East Potomac Pk), DC, on May 10. Also in DC that day was a RUDDY TURNSTONE, spotted at Georgetown Reservoir. Interesting land-bird sightings included a VESPER SPARROW, spotted along Lily Pons Rd, Frederick Co, MD, on May 5. PHILADELPHIA VIREOs were seen at several VA locations, including Long Branch Pk, Four-Mile Run, and Glen Carlyn Pk, all in Arlington; and Huntley Meadows Pk, Fairfax Co. OLIVE-SIDED FLYCATCHER were also reported from several sites in VA. A single bird was observed at Columbia Pike and Four-Mile Run, Arlington, on May 10; another one was near the picnic tables at the end of the parking lot at Upton Hill Pk, Arlington, on May 9 and 11; and two were found at Huntley Meadows Pk on May 9. Other flycatchers of note were a single WILLOW and two LEAST FLYCATCHERs, both observed at Huntley Meadows Pk, VA, on May 9. Large numbers of BOBOLINKs were reported again this week from fields west of Lily Pons, Frederick Co, MD. The birds were seen along New Design Rd at its intersections with Greenfield Rd and Oland Rd, and also at the intersection of Oland Rd and Rt 85. BOBOLINKs were also frequenting fields along Prices Distillery Rd, near Little Bennett Reg Pk, over the weekend. In VA, small numbers of BOBOLINKs were reported from fields in the Lucketts area, Loudoun Co, on May 9 and 10. A BLACK-BILLED CUCKOO was heard calling at Hughes Hollow, MD, on May 10; another was heard at Huntley Meadows Pk, VA, on May 9; and still another was at Glen Carlyn Pk, Arlington, VA, on May 5. YELLOW-BILLED CUCKOOs were reported widely, as were ROSE- BREASTED GROSBEAKs, which were seen at many area feeders and other spots. An upcoming pelagic in our region will depart VA Beach, VA, on Jun 7; call Brian Patteson at 703-765-4484, for information. There will be a walk at Montrose Pk, DC, on Wed, May 13; substituting for the listed leader will be Michael Parr of DC; call him at 202-483-3492, for information. There will be a reservations-only trip to DE Coastal Refuges on Sat, May 16; call the leader, Paul DuMont of Arlington, at 703-931-8994, to reserve your spot. There will be a reservations-only walk at Little Bennett Pk, MD, on Sun, May 17; call the leader, Bill Elliott of Gaithersburg, at 301-869-6904, to secure your place. There will be a walk at Great Falls Pk, VA, on Tues, May 19; call the leader, Kerrie Kirkpatrick of Falls Church, at 703-560-4950, for information. There will be a reservations-only walk at Woodbridge Refuge, VA, on Sat, May 23; make reservations with one of the leaders, Jim Waggener of Woodbridge, at 703-497-0506. There will be a reservations-only trip to Nolan's Ferry-Lilypons, MD, on Sun, May 24; call the leader, Mike Welch of Frederick, at 1-301-874-5828, to reserve your place. To report bird sightings you can FAX your report to ANS at 301-951-7179, or call 301-652-9188, extension 3101 for a dedicated answering machine at all hours. Internet users can email reports to: voice@capaccess.org. Thank you for calling, and GOOD BIRDING.