Appendix D_Shorebird_survey_report_Final_Jul20_jans edits

                      Diagram 5: Resident Tern (day) count time series - 2005 to present

  5,000

  4,500

  4,000

  3,500

  3,000

  2,500

  2,000

  1,500

  1,000

    500

      0
      Oct-05 Oct-06 Oct-07 Oct-08 Oct-09 Oct-10 Oct-11 Oct-12 Oct-13 Oct-14 Oct-15 Oct-16 Oct-17 Oct-18




A flock of the resident Greater Crested Tern (Thalasseus bergii), some in breeding plumage in the mouth of the Noosa River. Discrepancies in day
and evening tern counts based on their feeding behavior are further examined in Appendix 3. Credit Jill Dening


A decline in numbers of the only species of gull common to the estuary, the Silver Gull, is illustrated in
Diagram 6. Though this trend mirrors that observed amongst tern species, it may not adequately capture
its relative abundance as a ready scavenger in urban environments.




Noosa River – Shorebird Survey Report 2019                                                                                       Page 24