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Gulls culled . . . Southern black-backed gulls causing havoc in the Waitaki Valley have forced the Department of Conservation to control their numbers. PHOTO: SUPPLIED/DEPARTMENT OF CONSERVATION
A threat to nationally endangered birds in the Waitaki Valley forced the Department of Conservation (Doc) to step in last week.
Doc undertook control work to remove southern black-backed gull colonies from the Waitaki River, east of Kurow, as the gulls were preying on black-fronted tern and wrybill colonies.
There were “unnaturally high numbers” of the gulls in the lower Waitaki and the colonies targeted had about 600 birds in them, Geraldine operations manager Duncan Toogood said.
“There just doesn’t seem to be enough feed for them, some chicks are so weak that they can barely move. “It’s a real concern to the anglers because without seabirds you don’t really have a river.” Hodgson added there has been insufficient food for the birds due to the degradation of the Rangitata River.
JOHN BISSET/Stuff
Peter Ritchie says some black billed gull chicks near Rangitata are too weak to fly because of lack of feed. Ritchie said the birds going out to sea for their feed were largely “coming back empty”. “The adults are dying as well as the chicks,” he said.
John Bisset/Stuff
The San Aotea II, pictured leaving Timaru s port in early June, berthed back in Timaru in August 2020.
A rescue and a retrieval featured prominently in June’s news coverage out of South Canterbury, writes Doug Sail in the sixth instalment of our series looking back on the year that was. Sanford deep-water fleet manager Darryn Shaw said the trip to the South Georgia Islands was necessary because of the impact of Covid-19, which had made it difficult to get people out of the Falkland Islands. ‘‘Normally we would bring our people back by air, via South America, but that is not possible at this time with borders closed into that region,’’ Shaw said.