Bird Notes Quarterly Newsletter of the Western Australian Branch of Birdlife Australia No
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Western Australian Bird Notes Quarterly Newsletter of the Western Australian Branch of BirdLife Australia No. 176 December 2020 birds are in our nature From the field Spotted Nightjar, Shire of Jerramungup, p 26, photo by Australian Pelican, Big Swamp Bunbury, p 17, photo by Alan Steve Elson Burdett Western Whipbird, Cheynes Beach Excursion, p 19, photo Crimson Chat, at Carnarvon, photo by Caroline Mynott by Michael Bouette Cape Petrel, off Albany Coast, photo by Chris Young Female and male Chestnut Quail-thush from the Great Western Woodland survey, Credo, photo by Keith Lightbody Page 2 Western Australian Bird Notes, No. 176 December 2020 Western Australian Branch of EXECUTIVE COMMITTEE, 2020 BirdLife Australia Chair: Mr Viv Read Office: Peregrine House 167 Perry Lakes Drive, Floreat WA 6014 Vice Chair: Dr Mike Bamford Hours: Monday-Friday 9:30 am to 12.30 pm Secretary: Lou Scampoli Telephone: (08) 9383 7749 Treasurer: Beverly Winterton E-mail: [email protected] BirdLife WA web page: www.birdlife.org.au/wa Committee: Alasdair Bulloch, Mark Henryon, Andrew Chair: Mr Viv Read Hobbs, Peter Jacoby, Jennifer Sumpton and Beth Walker BirdLife Western Australia is the WA Branch of the national organisation, BirdLife Australia. We are dedicated to creating a brighter future for Australian birds. General meetings: Held at the Bold Park Eco Centre, Perry Lakes Drive, Floreat, commencing 7:30 pm on the 4th Monday of the month (except December) – see ‘Coming events’ for details. Executive meetings: Held at Peregrine House on the 2nd Monday of the month. Communicate any matters for consideration to the Chair. Western Australian Bird Notes Print ISSN 1445-3983 Online ISSN 2206-8716 Joint WABN Editors: Allan Burbidge Tel: (08) 9405 5109 (w) Tel/Fax: (08) 9306 1642 (h) Fax: (08) 9306 1641 (w) E-mail: [email protected] Suzanne Mather Tel: (08) 9389 6416 E-mail: [email protected] Production: Michelle Crow Printing and distribution: Daniels Printing Craftsmen Tel: (08) 9204 6800 danielspc.com.au Notes for Contributors The Editors request contributors to note: • WABN publishes material of interest to the WA Branch; • contributions should be written or typed with double Square-tailed Kites, Member's Contribution, p 23, photo by spacing—a copy on disk or emailed would assist, especially Terry Booth if in MS Word as a document without styles; do not embed pictures or graphics in MS Word; • contributions to be sent direct to the Editors, either at the office or by email: C o n t e n t s Sue Mather: [email protected] Allan Burbidge: [email protected] 4. A New Breeding Record 31. Excursion reports for Pied Oystercatchers • WABN uses BirdLife Australia recommended English names; 35. Donation form* NEW • except for Observations, contributions will be published on the Swan River unless the contributor is informed to the contrary; Estuary 36. Across the Nullarbor: news from National Office • Full Editorial Policy is in WABN 74:10-12; 6. BirdLife WA Conservation • WABN is not peer reviewed. Program 36. Calendar of events 9. Observations 37. Coming events • Printing Deadlines (at BirdLife WA Office) 10. Notice of AGM 40. New members March 2021 issue: 1 February 12. Letters to the editor 40. Crossword answers June 2021 issue: 1 May 41. Observatory reports September 2021 issue: 1 August 13. BirdLife WA reports December 2021 issue: 17 October 13. WA Regional Groups Front cover 18. Members’ contributions Australian Pied Oystercatchers at Pelican Point, photo 30. Notices by Tim Graham-Taylor 30. Crossword Western Australian Bird Notes, No. 176 December 2020 Page 3 A New Breeding Record for Australian Pied Oystercatchers on the Swan River Estuary This article is mainly about my recent observation Lake Richmond)” (Storr and Johnstone 1988). The only of a breeding pair of Australian Pied Oystercatchers apparent breeding records were on islands (ibid). (Haematopus longirostris) on the Swan River estuary near Data from the Shorebirds 2020 project (the National the Narrows Bridge. I thought this was sufficiently novel Shorebird Monitoring Program) and other records in to be of general interest to members. I also provide some Birdata disclose that Australian Pied Oystercatchers have historical context which shows that my sighting is part of been increasing in number on the Swan River estuary since an ongoing expansion which began in 1984, of Australian first appearing (or reappearing) in 1984. The long-term Pied Oystercatchers on the estuary, in both numbers and trend has been one of gradual increase punctuated by high range. points in certain years (for example, annual maxima of 81 Background: History of presence and breeding of in 1994/1995, 219 in 2004/2005 and 268 in 2009/2010) Australian Pied Oystercatchers on the Swan River and low points in others (for example, annual maxima estuary of zero in 1995/1996 and 23 in 2018/2019) (Birdlife Shorebirds 2020 data; M. Bamford pers. comm.). Between For most of the twentieth (and, presumably, nineteenth) November 2002 and April 2003, Bamford et al. as part centuries, the Australian Pied Oystercatcher was of a study of the Swan Estuary Marine Park, observed a completely absent from the Swan River estuary. In his maximum of 96 birds at Alfred Cove, 15 at Milyu and three 1921 review of the birds of the Swan River District, W. B. at Pelican Point on any particular survey (Bamford et al. Alexander of the Western Australian Museum stated that 2003). Pied Oystercatchers were “resident” in the district, but were limited to sandy beaches as well as Lake Yanchep Coupled with the increase in number on the Swan River (Loch McNess) (Alexander 1921). In his comprehensive estuary has been an increase in the number of places on follow-up review of 1948, D. L. Serventy, of the CSIRO, the estuary that the birds inhabit. In January 1987, the similarly noted that the birds were found only at Point birds were seen on the foreshore at Dalkeith (WABN 41: Peron on the Perth coast, as well as the islands of Safety 2), and records in Birdata disclose that the birds then Bay and Rottnest and Carnac Island. He noted that appeared for the first time at Milyu on 11 July 1995, in since Alexander’s review, “[t]his species seems to have the Blackwall Reach/Point Walter area on 19 November disappeared from most of the beaches in the district” 1996, in the Applecross foreshore/Point Dundas area on (Serventy 1948). 6 December 1997, and on the South Perth foreshore on 1 April 1999. The birds have continued to be seen in each of The first record of Pied Oystercatchers on the Swan River these areas most years since their first appearance though estuary appears to have been at Pelican Point in 1948- they have been seen regularly at Milyu only from 2004 1949. Serventy had not seen any there in 1936 (Serventy and at the Point Walter spit from around 2010. The birds 1938), but “a pair frequented [the Point] for a prolonged are seen less regularly at the other places and in lower period in the summer of 1948-1949, an altogether unusual numbers though it appears that most sightings of birds at occurrence” (Serventy and Whittell 1967). all of these places are of less than ten birds. There are few There do not appear to be any further records of Pied breeding records for any of these places (Birdata). Oystercatchers on the estuary until 1984. On 4 June 1984, Pair of Australian Pied Oystercatchers and breeding an observer (or observers) as part of the Shorebirds 2020 event near the Narrows Bridge project saw four birds at Alfred Cove, and more birds were seen there in July 1984 and February 1985 (Birdata) Beginning in June this year, I began to regularly see a though it was not until October 1986 that they were pair of Australian Pied Oystercatcher on the north side of recorded at the cove during the RAOU Waterbird Usage the river around the Narrows Bridge. I saw them most Survey 1981-88 (WABN 42: 2). Observers as part of the times I walked from Elizabeth Quay to the bridge or to Metropolitan Bird Project also failed to see the birds at the the Old Swan Brewery, usually just west of the bridge but cove in 1985 (van Delft 1988), suggesting that numbers at the cove were initially low. In 1986, the birds began to appear at Pelican Point (Bailey and Creed 1993; Birdata), not having been seen there any time between 1971 and 1986 (Bailey and Creed 1993). Writing in 1993, Bailey and Creed noted that “[t]he Pied Oystercatcher appears to be a recent visitor to Pelican Point and also to the Swan River” (Bailey and Creed 1993). Storr and Johnstone in their 1988 review of the birds of the Swan Coastal Plain and adjacent sea and islands similarly noted that Pied Oystercatchers were found on the sea coast and islands but were “casual inland (Loch McNess, Swan River estuary at Dalkeith and Pelican Point, Figure 1. Narrows Bridge breeding site Page 4 Western Australian Bird Notes, No. 176 December 2020 A New Breeding Record for Australian Pied Oystercatchers on the Swan River Estuary, ctd sometimes as far as the brewery. Then, in around July, I Bamford, M.J., Bamford, A.R., and Bancroft, W. (2003). noticed that one of the birds was regularly sitting in one Report on Swan Estuary Marine Park: Human Usage, place behind the stump of a palm tree on the far bank of Waterbirds and Disturbance Study 2002-2003. the pond at David Carr Memorial Park, on the east side of (Unpublished report prepared for Western Australian the Narrows Bridge. This bird was in the same spot every Department of Conservation and Land Management, time I walked through the park, while the other bird would Perth).