DAY-NIGHT HABITAT USE BY DOUBLE-BANDED PLOVERS Charadrius bicinctus IN THE RICHMOND RIVERESTUARY, NORTHERN NEW SOUTH WALES
| Posted: |
19/07/2021 |
| Author(s): |
B. D. Lewis, D. A. Rohweder |
Night and day habitat use by Double-banded Plovers
Charadrius bicinctus was studied in the Richmond River
estuary, northern New South Wales. Habitat use was documented through direct observation of birds at two
intertidal sandflats and by radio-tracking four birds. Comparison of plover density between day and night failed to
record a significant difference. However, radio-telemetry identified substantial differences in habitat use between
the two time periods for two birds. At night some Double-banded Plovers responded to the improved visual
conditions provided by artificial lights from urban areas by moving to mudflats that received high amounts of
artificial light. During the full moon phase plovers were recorded at a greater number of sites, including sites that
received no artificial light.
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