David Wilson AOC Latham's Snipe Presentation

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David Wilson AOC Latham's Snipe Presentation

  1. 1. Timing of migration and population trends David Wilson (Consultant Zoologist) Ecology and Heritage Partners Pty Ltd
  2. 2.  3 species ◦ Latham’s G. hardwickii ◦ Pin-tailed G. stenura ◦ Swinhoe’s G. megala
  3. 3. Part of the East Asian-Australasian Flyway
  4. 4.   Atlas of Living Australia Birdlife Australia Shorebirds 2020 program 700 Number of records 600 500 400 300 200 100 0 1950 1960 1970 1980 1990 2000 2010
  5. 5.  Japan ◦ ◦ ◦ ◦  Early April - start to arrive in Japan Late April to early July – breeding Late July and early August – begin to depart Early October – last records Australia ◦ Late July – first arrivals ◦ Late May – last departures Austin and Neroda (1953)
  6. 6. 12 Number of reports 10 8 6 4 2 0 1940 1960 1980 2000 2020
  7. 7. Earlier arrival on average from 17 August in 1950 to 12 August in 2012 (8 days = 0.08 days/year)
  8. 8. Earlier departure on average from Australia from 27 April in 1950 to 16 April in 2012 (0.16 days/year)
  9. 9.     25,000-100,000 individuals (Wetlands International 2013) 36,000 (Bamford et al. 2008) All of which are assumed to overwinter in Australia Stable or declining over the last 30 years
  10. 10. 1800 Number recorded 1600 1400 1200 1000 800 600 400 200 0 1940 1950 1960 1970 1980 1990 2000 2010 2020
  11. 11. Count 600 Powling St, VIC 400 200 0 06-Dec-99 Count 60 13-Feb-02 23-Apr-04 02-Jul-06 09-Sep-08 18-Nov-10 Edithvale Wetlands, VIC 40 20 0 14-Nov-84 07-May-90 28-Oct-95 19-Apr-01 10-Oct-06
  12. 12.  Golo Maurer – Birdlife Australia Shorebirds 2020
  13. 13. Contact Details David Wilson Consultant Zoologist 0457 303 596 Adelaide - (08) 8372 7829 / Brisbane – (07) 3221 3352 Geelong – (03) 5221 8122 / Melbourne – (03) 9377 0100 www.ehpartners.com.au

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