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Species at risk survey report : loggerhead shrike survey 2019

Description

In Alberta, the loggerhead shrike is considered to be a Species of Special Concern. Since 1987, a prairie-wide roadside survey has been conducted every five years to monitor populations. This... More ≫

Description

In Alberta, the loggerhead shrike is considered to be a Species of Special Concern. Since 1987, a prairie-wide roadside survey has been conducted every five years to monitor populations. This report summarizes results of the 2019 survey conducted in Alberta, and compares results with surveys conducted in 1987, 1998, 2003, 2008 and 2013.

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The 2013 loggerhead shrike survey in Alberta

Description

In Alberta, the loggerhead shrike is considered to be a Species of Special Concern. Since 1987, a prairie-wide roadside survey has been conducted every five years to monitor populations. This... More ≫

Description

In Alberta, the loggerhead shrike is considered to be a Species of Special Concern. Since 1987, a prairie-wide roadside survey has been conducted every five years to monitor populations. This report summarizes results of the 2013 survey conducted in Alberta, and compares results with surveys conducted in 1987, 1998, 2003 and 2008.

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Population estimate and habitat associations of the long-billed curlew (Numenius americanus) in Alberta

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... More ≫

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 current population and implement effective management. An inventory of long-billed curlews was carried out in the spring of 2001, and this report summarizes the methods and results of the inventory. In addition to curlews, data were collected on six other prairie bird species: ferruginous hawk, short-eared owl, burrowing owl, upland sandpiper, loggerhead shrike and Sprague's pipit. The data for these species are also included here.

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