Results

Current Management Statistics

Kokako Numbers

This table shows the kokako population recorded over the years.




	Year Pairs Singles Translocations Total




	1995 17 8 42


	1996 21 5 47


	1997 24 8 56


	2002 21 2 44


	2003 21 3 45


	2004 21 4 46


	2007 31 3 65


	2009 33 14 -18 (Secretary Island) 98


	2011 -1 (Otanewainuku) 


	2013 Report 50 27 127


	2019 Report 157 13 327


	2021 -6 (Manawahe) 


	2023 Report 289 14 592

Year	Pairs	Singles	Translocations	Total
1995	17	8		42
1996	21	5		47
1997	24	8		56
2002	21	2		44
2003	21	3		45
2004	21	4		46
2007	31	3		65
2009	33	14	-18 (Secretary Island)	98
2011			-1 (Otanewainuku)
2013 Report	50	27		127
2019 Report	157	13		327
2021			-6 (Manawahe)
2023 Report	289	14		592

Pest Control

This table shows the pest control method and monitoring results.

Year	Method	Managed by	Area (ha)	Rat Index (Pre)	Rat Index (Post	Possum Index (Pre)	Possum Index (Post)
1994-1995	1080 – bait stations	DOC	150	n/a	n/a	n/a	n/a
1995-1996	Brodifacoum – bait stations, cyanide, possum traps	DOC	440	n/a	n/a	n/a	n/a
1996-1997	Brodifacoum – bait stations	DOC	440	n/a	n/a	n/a	n/a
2004	1080 – aerial	DOC	3000+	69	0	23.2	2.5
2007	1080 – bait stations	DOC	440	n/a	0	23.3	0.7
2008	1080 – bait stations	DOC	605	n/a	3	n/a	0
2011	1080 – bait stations	DOC	605	n/a	6	4	0
2014	1080 – bait stations	RET	605	n/a	6	4	1.5
2017 Report	1080 aerial	DOC	2867	83	3	4	1.5
2018	Pindone – bait stations	RET	703	73	11	n/a	n/a
2020 Report	1080 – aerial + bait stations	DOC	2821	74	0	3.66	0.42
2021	Pindone – bait stations	RET	998	40	7	n/a	n/a
2022	Pindone/RataBate – bait stations	RET	1367	22.5	17.5	n/a	n/a
2023	1080 – aerial RatAbate – bait station	DOC RET	2688	69	0.5	5.23	0.42
2024	RatAbate – bait stations	RET	1494	43	3	n/a