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Publication Type: Report Audience: Researchers Tags: ferruginous hawk species at risk

Views: 108
Updated

March 1, 2011

Description

The ferruginous hawk, an endangered species in Alberta, breeds exclusively in the grasslands of North America. Availability of nesting sites has been identified as a key limiting factor of this species. Artificial nests poles (ANPs) were identified as a possible recovery action by the Alberta...


Views: 23
Updated

March 1, 2003

Description

The ferruginous hawk is designated a Threatened species under Alberta's Wildlife Act. Recent declines in the ferruginous hawk population in Alberta prompted an evaluation of the current technique for surveying ferruginous hawks. Recent population estimates have had relatively low precision with...


Views: 39
Updated

March 1, 2002

Description

In 1982, a ferruginous hawk monitoring survey was established in southeastern Alberta; it was repeated in 1987, 1992 and 2000. the ferruginous hawk is a threatened species under the Alberta Wildlife Act, making it important to monitor any changes that may be occurring in the population. Data from...


Views: 48
Updated

October 1, 2001

Description

Curlew populations have declined across North American as a result of overhunting and habitat loss, and in Alberta the long-billed curlew is classified as May Be At Risk. The 1998 Alberta status report on the long-billed curlew recommended formal population surveys in order to better assess the...