FEEDING PREFERENCES IN CAPTIVE CORELLAS FOR GREEN-DYED AND PLAIN OATS
| Posted: |
22/07/2021 |
| Author(s): |
E. Jongman, E. Selby, I. Temby, J. Barnett, P. Fisher |
The common practice of including a green dye in baits used for pest animal control is thought to provide
some protection to non-target birds because general avoidance of green coloured foods by some bird species
has been documented. Captive Long-billed Corellas
Cacatua tenuirostris offered a choice between green-dyed
and plain whole oats showed a preference for the plain food on the first day. This preference was not evident on
the second day of feeding, and by nine days there was a preference for the green food. These results are
discussed in the context of current baiting practices. While the inclusion of green dye in oat baits may provide
some initial protection to Corellas, this may not be a lasting effect in situations whefe birds have consecutive
opportunities to feed.
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