Teal of Campbell

Ecology and behavior

The teal of Campbell ( Anas nesiotis ) is one of Canard of surface of the Anas which is endemic Île Campbell and group of the Îles Campbell with broad of the New Zealand. Brown Teal. The Campbell Island Teal has small brown duck that is nocturnal and flightless. -->

Conservation

1975 it was rediscovered one Tooth Island, has small (23 hectare) islet near Campbell that had remained rat free. The population was so small that has individual vent could cuts driven it to supplements extinction; to prevent this from happening, 11 individuals were taken into captivity by the Department off Conservation for Captive breeding At the Pukaha Mount bruce national wildlife center in 1984 while the rest followed in 1990.

Captive breeding was initially very difficult to achieve, ace No studies one the behavior off the species had been carried out in the wild and " staff (At Mount Bruce) thus had to experiement with has arranges technical to off encourages breeding. Success cam in 1994 when Daisy, the only wild origin female to ever lay eggs in captivity, finally accepted has matt. Subsequently, breeding has occurred every year- wild origin male contributed constrained by pairing with captive raised females"

With small captive population off 25 bred indivduals was released one Codfish Island in 1999 and 2000 - already intensively managed and pest free ace important year habitat for the critically endangered Kakapo. In the final phase off the ecological restoration off Campbell island, (cattle, sheep and cat' S had already been removed) the worlds largest rat eradication campaign was undertaken by Helicopter drops off more than 120 tons off poisoned bait over the entirety off the islands 11,331 Hectare area in 2001 - this operation successfully removed whats was estimated to Be the worlds densest population off Norway rats (200,000) from Campbell Island - it was officially declared rat free in 2003. 50 campbell island teal - has mix off captivates bred and wild acclimatized animals (from Codfish) - were Reintroduced to Campbell island in mid 2004, after year absence off more than has century. Subsequent monitoring in 2005 has shown that the majority off thesis birds are now thriving in their ancestral homeland. -->

References

  • Database entry includes justification for why this species is critically endangered

    • 1. " Forest and Bird" , number 319, february 2006; " Snow ducks off the subantarctic" by Helen Gummer

    2. " Campbell island teal edge go home " - -->

    External bonds

  • BirdLife Species Factsheet
  • Map off Tooth Island, Campbell Island and New Zealand and extensive information butt the Campbell Island Teal
  • The up to date Web-page off Pukaha Mount Bruce, the New Zealand national wildlife center butt Ci Teal and this facilities involvement with to their recovery
  • DOC. page with information one the both the Campbell and Auckland island teal
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