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Science support document : greater short-horned lizard (Phrynosoma hernandesi)

Description

This science support document provides a summary of biological and policy rationale for the greater short-horned lizard (Phrynosoma hernandesi) wildlife sensitivity layer. Additionally, science... More ≫

Description

This science support document provides a summary of biological and policy rationale for the greater short-horned lizard (Phrynosoma hernandesi) wildlife sensitivity layer. Additionally, science support documents can be used by anyone to learn about a wildlife sensitivity layer and its connection to the Landscape Analysis Tool and associated conditions found in the Master Schedule of Standards and Conditions

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Prairie rattlesnake conservation management plan 2016-2021

Description

The prairie rattlesnake has been designated a Species of Special Concern in Alberta because the population is likely to continue to decline if current activities and trends persist, and the... More ≫

Description

The prairie rattlesnake has been designated a Species of Special Concern in Alberta because the population is likely to continue to decline if current activities and trends persist, and the population size and area of occupancy are small. This plan provides background information on the species and outlines a set of objectives and management actions to help meet the goal of maintaining the current distribution and breeding populations of prairie rattlesnakes and, where possible, restoring populations that have experienced declines. Conservation management plans are developed for Species of Special Concern in Alberta, to provide guidance for land and resource management decisions that affect the species and their habitat. They are intended to be a resource tool for provincial and regional fish and wildlife, land and resource management staff.

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Species at risk 2012-13 recovery action summary : short-horned lizard

Description

Presents background information on the short-horned lizard, including its risk category and where it can be found in Alberta. Lists the recovery plan in effect and the recovery goal for the... More ≫

Description

Presents background information on the short-horned lizard, including its risk category and where it can be found in Alberta. Lists the recovery plan in effect and the recovery goal for the short-horned lizard, strategies being used to reach the recovery goal, a short summary of progress on recent and ongoing recovery actions, and any upcoming actions being considered to aid recovery of the species.

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Status of the prairie rattlesnake (Crotalus viridis viridis) in Alberta : update 2012

Description

This wildlife status report looks at the prairie rattlesnake, one of three extant species of rattlesnake found in Alberta. It reaches the northern limit of its range in Alberta and is primarily... More ≫

Description

This wildlife status report looks at the prairie rattlesnake, one of three extant species of rattlesnake found in Alberta. It reaches the northern limit of its range in Alberta and is primarily distributed along major river drainages in the southeastern portion of the province. There appears to have been a long-term decline in abundance of the species in Alberta, likely related to significant historical persecution and habitat loss. At writing the prairie rattlesnake had a status of May Be At Risk. This report summarizes historical and recent information on the species as background information for a reassessment of its status. The report is part of the Alberta Wildlife Status Report series, which provides comprehensive summaries of selected wildlife species intended to be useful to those managing populations of species and their habitats, and to help identify species that may be formally designated as endangered or threatened.

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Reproductive biology of female prairie rattlesnakes (Crotalus viridis viridis) in Alberta

Description

Many aspects of the biology of prairie rattlesnakes are not well described. This study used mark-recapture to follow the reproductive histories of female prairie rattlesnakes at two hibemacula in... More ≫

Description

Many aspects of the biology of prairie rattlesnakes are not well described. This study used mark-recapture to follow the reproductive histories of female prairie rattlesnakes at two hibemacula in southeastern Alberta over a three year period (2004-2006). In addition, radio-telemetry was used to track the movements of females, revealing the location of several rookeries where gravid females were aggregated. This findings contribute to the understanding of the species’ capacity to recover should populations decline, and a measure of the resilience of the species and its habitat to direct or indirect environmental pressures, aiding wildlife managers to determine the appropriate conservation status.

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Status of the short-horned lizard (Phrynosoma hernandesi) in Alberta : update 2004

Description

This wildlife status report looks at the eastern short-horned lizard, Alberta's only native lizard species. Scattered populations of these small, well-camouflaged lizards are found on... More ≫

Description

This wildlife status report looks at the eastern short-horned lizard, Alberta's only native lizard species. Scattered populations of these small, well-camouflaged lizards are found on sparsely-vegetated slopes in canyons and coulees in the extreme southeastern parts of the province. The species has been designated as vulnerable in Canada and may be at risk in Alberta. This report was prepared as a review of current information relevant to the determination of the status of this species in Alberta. It is part of the Alberta Wildlife Status Report series, which provides comprehensive summaries of selected wildlife species intended to be useful to those managing populations of species and their habitats, and to help identify species that may be formally designated as endangered or threatened.

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Lethbridge rattlesnake conservation project : 2003 progress report

Description

Lethbridge is at the western edge of prairie rattlesnake range in Canada. Continued expansion of the city has resulted in a substantial loss of suitable rattlesnake habitat and special efforts are... More ≫

Description

Lethbridge is at the western edge of prairie rattlesnake range in Canada. Continued expansion of the city has resulted in a substantial loss of suitable rattlesnake habitat and special efforts are necessary to maintain a sustainable population of rattlesnakes in Lethbridge. Recovery efforts focused on establishing a population of rattlesnakes in a newly-constructed artificial hibernaculum in Cottonwood Park. This report summarizes conservation efforts initiated in 2001 and continued through 2003.

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Prairie rattlesnake

Description

Provides information on the prairie rattlesnake, including a general description of the species, its distribution in Alberta, habitat, an estimate of its population size, threats to its habitat... More ≫

Description

Provides information on the prairie rattlesnake, including a general description of the species, its distribution in Alberta, habitat, an estimate of its population size, threats to its habitat and survival, management issues, and what the public can do to help ensure the survival of the species.

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Lethbridge prairie rattlesnake conservation project : 2002/2003 progress report

Description

Lethbridge is at the western edge of prairie rattlesnake range in Canada. Continued expansion of the city has resulted in a substantial loss of suitable rattlesnake habitat and special efforts are... More ≫

Description

Lethbridge is at the western edge of prairie rattlesnake range in Canada. Continued expansion of the city has resulted in a substantial loss of suitable rattlesnake habitat and special efforts are necessary to maintain a sustainable population of rattlesnakes in Lethbridge. Recovery efforts focused on establishing a population of rattlesnakes in a newly-constructed artificial hibernaculum in Cottonwood Park. This report provides a summary of progress and results based on recommendations from 2001, and outlines current and future management and recovery strategies aimed at maintaining the Lethbridge prairie rattlesnake population.

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Management and recovery strategies for the Lethbridge population of the prairie rattlesnake

Description

The coulees of southwest Lethbridge are home to a small population of prairie rattlesnakes. High rates of mortality from road kills, deliberate human persecution, and a rapid loss of habitat from... More ≫

Description

The coulees of southwest Lethbridge are home to a small population of prairie rattlesnakes. High rates of mortality from road kills, deliberate human persecution, and a rapid loss of habitat from subdivision and recreational development make the future of Lethbridge rattlesnakes uncertain. In 2000, a committee was formed to develop a management plan. This report integrates previous work done, includes pertinent actions from the draft management plan developed in 2000 and summarizes and discusses present and future recovery efforts.

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