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.

Issue link: http://nab.aba.org/i/1115839

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V O L U M E 7 0 ( 2 0 1 9 ) • N U M B E R S 3 / 4 401 H AWA I I A N I S L A N D S on 9 Apr (BA). Peregrine Falcons were spotted on three islands during the spring season: 1 at J.C.N.W.R-Kii Unit, Oahu on 13 Mar (RK); 1 at Kawaiele, Kauai on 25 Mar (AW); 1 at Nakula, Maui on 13 Apr (CWn); 1 at Hamoa Beach, Hana, Maui on 14 Apr (JS). Rosy-faced Love - birds have been observed in flocks since the early 2000s in south Maui and their population have exploded into the "hundreds" in the last few years in Wailea and south Kihei. Recently, they have been regularly reported in north Ki - hei and have also been reported in upcountry Maui at Ulupalakua where they are considered pests a local winery. An adult male Great-tailed Grackle was photographed at Waianae Boat Harbor, Waianae, Oahu on 31 Mar (ph. local resident, unknown name). this grackle show healthy legs and thus was a different bird than the long-time resident grackle at Ala Moana with a missing leg, still seen sporadically. Contributors: Brad Argue, John Belz, Dylan Beyer, Matt Boone, Cheshta Buckley, Alika Campbell, Nancy Carter, Patrick Ching, Pete Donaldson, Arleone Dibben-Young, Jacob Drucker, Thomas Duddy, Myron Gerhard, Lin - da Greble, Jason Gregg, Derek Harvey, Robby Kohley, David Kuhn, Daniel Lane, Jackson Letchworth, Satoko Lincoln, Peter Mathisen, Dick May, Kristina McOmber, Robert Mercer, Bob Okawa (BOk), Bill O'Neill (BON), Sheldon Plentovich, Kurt Pohlman, Max Rabinowitz, Rachel Rounds, Max Schwenne (MaS), Mike Scott (MiS), Peter Stahl, Jason Straka, Lance Tanino, Joy Teigland, Eric VanderWerf, Alex Wang, Christopher Warren (CWn), Chris War - low (CWw), Dick Wass, Angus Wilson (AWi), Kiki Widjaja, Sherman Wing. n –––––––––––––––––––––––––––––––––––––– SUMMER 2016 –––––––––––––––––––––––––––––––––––––– S ummer 2016 was an interesting season for a number of species (Brant, Cackling Goose, Pied-billed Grebe, Common Tern, and Laughing Gull) to all oversummer at the same time. Summer on Kauai is proving to be Pond, Maui on 28 Mar (ph. EV); 1 at Ala Moa - na, Oahu on 8 May (TD); 2 at Kealakehe W.T.P., Hawaii on 21 May (ph. BA, LT). Overwinter - ing juvenile Ring-billed Gulls were last seen in March on two islands: 1 at Kanaha Pond, Maui on 2 Mar (ph. CW, LT, EV) and 1 at P.H.N.W.R.- Honouliuli Unit, Oahu on 21 Mar (KP). The overwintering juvenile Glaucous-winged Gull was last seen at P.H.N.W.R.-Waiawa Unit, Oahu on 15 Mar (KP). Adult Least Terns were ob - served on two islands: 1 at Kanaha Pond, Maui from 6-11 Apr (CWws); 1 at Kealia Pond, Maui from 1-3 Mar (CWn, ph. MG, LT, EV, PS); up to 3 at Kealakehe W.T.P., Hawaii from 2 Apr—21 May (BA, LT). Field readable bands and geo - locaters were attached to a pair of adult Least Terns north of Kealakehe W.T.P. by researchers this season to learn about their winter move - ments but none were resighted. The overwin- tering Caspian Tern was last seen at Nuupia Ponds, Oahu on 2 Mar (KP). The overwinter - ing juvenile Common Tern was seen at Kanaha Pond, Maui from 2 Mar—8 May (EV, LT, MG, CW, m.ob.). Migrating Arctic Terns were ob - served from land and sea this spring from two islands: 1 photographed at Kealakehe W.T.P., Hawaii on 10 Apr (ph. BA); 1 photographed at Kealia Pond, Maui from 14-15 Apr (ph. RM, ph. MG, ph. LG); a raft of 26 were observed resting on the water near a buoy approximately 25 miles offshore from Kailua-Kona, Hawaii on 20 Apr (LT, MiS, DW); 2 were seen on a pelagic off the Kona coast on 23 Apr (LT, AW, m.ob.). A Belted Kingfisher was heard at Kealia Pond, Maui on 1 Mar (CWn) and the juvenile female at Lokowaka Pond, Hawaii was last seen A single Black-bellied Plover continued to be seen during winters over the last few years at Waipuilani B.P., Maui on 2 Mar (EV, m.ob.). A lone Killdeer was seen at Kealia Pond N.W.R., Maui on 14 Mar (NC), probably the same in - dividual seen over the winter at Hansen Road Ponds. A single Whimbrel continued to be seen since the winter and was last seen at Ko - heo Wetland, Molokai on 4 Apr (ph. MG). A high count of 60 Bristle-thighed Curlews was made at J.C.N.W.R.-Kii Unit, Oahu on 14 Mar (DM, PD). A rarely seen Hudsonian Godwit was found at Kaunakakai W.T.P., Molokai from 31 May—1 Jun (ph. ADY, DM). Red Phalaropes were seen from three islands: 3 at Keahole Point, Hawaii on 20 Mar (LT); 36 (high count) on a pelagic trip off the Kona coast, Hawaii on 26 Mar (LT, ph. MaS, ph. BA, ph. SW, m.ob.); 2 at Kilauea Point, Kauai on 13 Apr (EV); 2 at Lanai Lookout, Oahu on 17 Apr (LT, SL). Sin - gle Pomarine Jaegars were seen at Kekaha B.P., Kauai on 29 Apr (JD) and at Sand Island S.R.A., Oahu on 16 Mar (EV). An adult Black-legged Kittiwake was found in feeble condition (died the following day) at Midway Atoll, N.W.H.I. on 8 Mar (KM). A first-spring Bonaparte's Gull was seen at P.H.N.W.R.-Honouliuli Unit, Oahu from 13-16 Mar (AC, KP, ph. EV, m.ob.). Rela - tively low numbers of adult Franklin's Gulls were observed from three islands: 2 at Kealia This first-spring Bonaparte's Gull found by Alika Campbell was a good find at Pearl Harbor N.W.R.-Honouliuli Unit, Oahu on 13 Mar. Photo by Eric VanderWerf SA On 31 March 2016, the Hawaii bird conservation community (federal, state, and pri- vate organizations) celebrated the next recovery step for the critically endangered Puaiohi, Small Kauai Thrush, one of only two endemic species remaining in the Thrush family (Turdidae) in Hawaii, by closing the books on the captive breeding program for the species. With about 500 Puaiohi in the wild population on Kauai now, recovery efforts for two other critically endangered endemic species on the same island, 'Akikiki and 'Akeke'e will hopefully enjoy similar successes in the future. It is also important to note that the non-endangered endemic species ('Anianiau, 'I'iwi, and Kaua'i 'Amakihi) have become much more difficult to find for birders in recent years compared to years past. Threats to native birds throughout the state include introduced predators, feral ungulates, invasive plant species, avian diseases (mosquitos), and climate change. SA The Fungus Awakens. Ceratocystis fimbriata, a vascular wilt fungus, known in the is- lands for decades as host of a sweet potato pathogen, has now been shown through tests to be responsible for a new disease, Rapid Ohia Death (ROD). ROD has been rapidly kill - ing tens of thousands of 'Ohia (Metrosideros polymorpha) trees on Hawaii Island, a keystone species (50% of all native forests). Endemic bird species that could be affected include: Hawaii Elepaio, Omao, Apapane, Iiwi, Hawaii Amakihi, Hawaii Creeper, and Hawaii Akepa. For bird - ers entering native forests, it is very important to have cleaned gear and spray 70% rubbing alcohol solution to the soles of your hiking shoes prior to your forest hikes.

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