North American Birds

VOLUME 70 NO3-NO4 2019

A Quarterly Journal of Ornithological Record Published by the American Birding Association. The mission of the journal is to provide a complete overview of the changing panorama of our continent’s birdlife.

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Page 35 of 163

N O R T H A M E R I C A N B I R D S 282 H U D S O N - D E L AWA R E rants damaged heronries in Jamaica Bay (DR). The thirty-second Harbor Herons Survey by New York City Audubon showed Glossy Ibis re - surgent (224 nests), and other species declining modestly; those in decline consisted of Black- crowned Night-Heron (538 nests), Great Egret (408), Snowy Egret (236), and Yellow-crowned Night-Heron (55) (TW). Great Blue Herons, traditionally not nesting coastally north of Pea Patch, bred again in New York Harbor though not on the islets censused (TW). Exceptionally we received heron numbers from the rest of Long Island: 641 Black-crowned Night-Herons at 11 heronries, 389/9 Great Egrets, 211/8 Snowy Egrets, 133/6 Glossy Ibis, and 18/2 Yellow- crowned Night-Herons (KJ). Little Blue Herons barely survive in New York, with 9 in New York Harbor (TW) plus 9 in Hempstead Twp., Suffolk (JZ). Only one Tricolored Heron nested in New York Harbor, and six in Hempstead. Counts on 29 Jun of herons entering and exit - ing the great Pea Patch heronry exceeded the 11- year average for Great Egret (435), Snowy Egret (133), and greatly so for Little Blue Heron (617) and Glossy Ibis (813). Only Black-crowned Night-Herons declined at Pea Patch (101, aver - age 144). The region's only Cattle Egret colony, at Pea Patch, flourished: 585 on 29 June and 667 on 27 Jul. No Tricolored Herons have been detected at Pea Patch since 2011 (CB). In New Jersey an aerial survey on 26 May recorded 5,525 individual herons of seven species. Great Egrets (1,935) held their own; Snowy Egrets (1,086) were below 1990s figures; Glossy Ibis (1,445) recovered well from a severe slump in 2000-2010, and both night-herons were above 1990s figures: 677 Black-crowned and 204 Yellow-crowned. Little Blue Herons (77) and Tricolored herons (101) were well below 1990s levels. An imm. Yellow-crowned Night-Heron, far afield at Northern Montezuma W.M.A., Seneca/Cayuga, NY 31 Jul (Mark Miller culated about Cape May, reaching a record 12 on 14 Jul (SG et al.). Elsewhere, four visited Prime Hook 3 Jun (Mike Hudson, Dan Small, Richard Clifton) and two stopped at Memorial Lake, Woodstown, Salem, NJ 15 Jul (SK). New York's first Garganey delighted many at Montezuma 5-18 Jun (ph JMcG, m.ob.). It was a drake, like the two records in New Jersey (June 1997, June 2005) and one in Delaware (April-May 1976). For the fourth consecutive summer a Eurasian Wigeon was detected at Montezuma 18 and 21 Jun (Joe Wing, JMcG et al.). Exceptional among the usual summering diving ducks was a first-year male King Eider at Caumsett S. P., Suffolk, LI 9-18 Jul (Ethan Maitra, Bobby Rossetty, Dave Klauber). Single Tundra Swans were also unexpected at Mon - tezuma 5 Jul (DNi) and Mannington Marsh, Salem, NJ 9 Jun (SK). An imm. Pacific Loon at Henlopen 22 Jul - early Aug (Bruce Peterjohn, et al.) would be Delaware's first, if accepted. For the 21 st year an Eared Grebe appeared in late May at Batavia W.T.P. Genesee, NY and appar - ently summered there (m.obs). This species has bred as near as Ontario. Along with more usual tubenoses, two Manx Shearwaters, an Audubon's Shearwater and an exceptional count of several hundred Leach's Storm-Petrels were far off Shinnecock Inlet, LI, 10 Jun. Another Audubon's was nearby 24 Jul (JS, AW, DRo). A Brown Booby visited Merrill Creek Res., Warren, NJ 10-20 Jul (Jill McManus, ph Karmela Moneta, Matt Zeitler, Donna Schul - man, LS, m.ob.). The species has become nearly annual, but inland records remain rare includ - ing one previously in Warren. Two American White Pelicans, now annual, paused at Brig 10 Jun (Kyle Chelius et al.) and near Delaware City, New Castle, DE 11-17 Jun (Chris Rowe et al.). After 18 years of control measures by the N.Y.D.E.C. at fishermen's behest, Double- crested Cormorant nests on Little Galloo fell to 2,161 (8,400 in 1996). The N.Y.D.E.C. also destroyed Cormorant nests on Gull Island in e. Lake Ontario, and on a half dozen Saint Lawrence River islands (IM). Elsewhere cor - morants surged. New York Harbor contained 1,841 nests, compared to 1,175 ten years ago (TW), while 1,500 individuals were estimated in Buffalo Harbor 6 Aug (fide MMo). A new cormorant colony endangering the trees of a significant heronry at Stone Harbor, Cape May, NJ grew from 61 to 194 nests. The N.J.D.F.W. initiated control measures. HERONS THROUGH CRANES New Jersey has 35 heronies today compared to 43 in 1995, a reduction attributed by the N.J.D.F.W. "at least partially ... to erosion/flood - ing." (CD). Proliferating raccoons and compe- tition for nest sites by Double-crested Cormo- Frank Sencher, Jr., Mike Shanley, Deb Shaw, John Shemilt, Mason Sieges, Sean Sime, Rob - ert G. Spahn (Genesee, NY: rspahn@prodigy. net), Charlie Spinnato, Bill Stewart, Derek Stoner, Skyler Streich, Steve Taylor, Mike Tet - low, Phil Uruburu, Lance Verderame (Sullivan County Bird Notes), Mike Wasilco, Steve Weis, David Wheeler (Oneida Lake Basin Region, NY:, Brad Walker, Jonathan Weeks, Tom Williams (Hudson–Mohawk Re - gion, NY:, Angus Wilson, Chris Wood, Peter Yoerg. n –––––––––––––––––––––––––––––––––––––– SUMMER 2016 –––––––––––––––––––––––––––––––––––––– Robert O. Paxton Shaibal S. Mitra Tom Reed Frank Rohrbacher D ry conditions persisted into summer 2016. Only a few locally severe storms affected breeding (see Osprey). Rising water levels are eroding and flooding colonial waterbird nesting sites (see herons, terns). Rari - ties included New York's first Garganey, Dela- ware's potential first Pacific Loon, a Lark Bun- ting in New Jersey, and that state's long-awaited first Mississippi Kite nest. Abbreviations: Bombay Hook (N.W.R., Kent, DE); Braddock Bay (bird observatory, Monroe, NY); Brig (Brigantine Unit, Edward P. Forsythe N.W.R., Atlantic, NJ); Cupsogue (county park e. of Moriches Inlet, Suffolk, LI); D.N.R.E.C. (Dela - ware Department of Natural Resources and En- vironmental Control); Fort Drum (U. S. Army Military Reservation, Jefferson, NY); Great Gull (island off e. LI); LI (Long Island); Henlopen (Cape Henlopen S.P., Sussex, DE); Jamaica Bay (wildlife refuge, New York City); Little Galloo (island in Lake Ontario off Jefferson, NY); Mon - tezuma (N.W.R. and wetlands complex, Seneca/ Wayne/Cayuga, NY); N.J.D.F.W. (New Jersey Di - vision of Fish and Wildlife); N.Y.D.E.C. (New York Department of Environmental Conserva - tion); Pea Patch (island in Delaware River, New Castle, DE); Prime Hook (N.W.R., Sussex, DE). WATERFOWL THROUGH CORMORANTS Introduced Trumpeter Swans expanded be- yond their Montezuma base and bred for the first time near Beaver Lake Nature Center, Onandaga, NY (JBr). Black-bellied Whistling- Ducks wandered through, as they have since 2000. Six on Lake Cayuga at Ithaca, Tompkins, NY 10 Jul (JMcG et al., ph Suan Hsi Yong) con - stituted a first Finger Lakes record. Others cir- Portraits of perched Brown Boobies are commonplace, but few Brown Boobies are photographed against a background of northern hardwood forest. This bird, at Merrill Creek Reservoir 10-20 July (here 14 Jul) was actually the second record for Warren Co., NJ. Photo by © Matt Zeitler

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