Bird Predators
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August2013smA range of traps are used to target mammalian predators. These are mainly feral cats, mustelids (stoats and weasels) and hedgehogs. The most used traps are Timms traps and DOC 200s.

During the breeding season, traps are set at sites with a history of use by nesting birds in September, and removed in early February. As the three key bird species occupy territories, traps are added or moved between sites as required. Over recent years, all traps have been maintained over winter.

Traps are baited with a range of baits, usually salted rabbit or hen eggs, and checked once or twice a week.

The area trapped is around the major bird breeding sites on the Ashley-Rakahuri river, extending over approximately 12kms from the Tulls site in the east (NZTopo50-BW24; E157180, N510880) upriver to the Hillcrest Road site in the west (NZTopo50-BW23; E155920, N510820).

A map is available showing the locations of traps.

The table and graph below shows how many numbers of predators trapped have declined since trappings began in 2004. 

ARRCG Graph

Trapping 2004 – 2017

Table 1. Predator trap-nights and trap-catch from September 1, 2016 to January 31, 2017

Predator Table

DSCN0065sm*Major drop in hedgehog numbers probably due to large flood in Feb 2008

The area trapped was around the major bird breeding sites on the Ashley-Rakahuri river extending over approximately 12 kms from the Tulls site in the east (NZTopo50-BW24; E157180, N510880) upriver to the Hillcrest Road site in the west (NZTopo50-BW23; E155920, N510820).

A map is available showing the major breeding sites and locations of the traps. 

All photos by ARRG members - Lynley Cook, John Dowding and Nick Ledgard