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Breeding success of the goshawk (A.g. Laingi) on Haida Gwaii/Queen Charlotte Islands 2005: is the population continuing to decline? Doyle, Frank I.
2006
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D
Abstract: In 2005, nest monitoring took place at all known nest sites, and follow up field surveys were made at all locations where goshawk or possible goshawk sightings had been made. Despite this intensive approach, only two (Demon and Lyell. Is.) of the 10 known nest areas fledged young. In addition to these two successful nests, three new nest areas (Skowkona, Three Mile and Upper Hancock) were located in 2005, of which the one at Skowkona failed to fledge young. The two other new nest areas were relatively close (~3 and 6 km) to known nest areas, and as these known territories (Ain and Survey) were not active this year, it is therefore possible that these new active nests represent alternate nest areas for already established pairs. This possibility is further supported by the distance of these new nest areas to adjacent 'active nest areas' remaining consistent with the observed regular spacing pattern seen between adjacent active nest areas on Haida Gwaii. Overall, breeding success this year was consistent with the pattern seen in the past 5-6 years, with few young fledging per breeding attempt. prepared by Frank Doyle.
 
Doyle, Frank I., Wildlife Dynamics. 2006. Breeding success of the goshawk (A.g. Laingi) on Haida Gwaii/Queen Charlotte Islands 2005: is the population continuing to decline?. Forest Investment Account (FIA) - Forest Science Program. Forest Investment Account Report. FIA2006MR097
 
Topic: FLNRORD Research Program
Keywords: Forest, Investment, Account, (FIA), Birds, British, Columbia, Habitat, Northern, goshawk, Queen, Charlotte, Islands
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