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15 results

Tags: reptiles species at risk

Views: 118
Last Modified

December 12, 2018

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...


Views: 54
Last Modified

January 1, 2016

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...


Views: 103
Last Modified

December 1, 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 distributed along major river drainages in the southeastern portion of the province. There appears to...


Views: 20
Last Modified

March 1, 2007

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...


Views: 112
Last Modified

June 1, 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 sparsely-vegetated slopes in canyons and coulees in the extreme southeastern parts of the province. The species...


Views: 24
Last Modified

February 1, 2004

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...


Views: 56
Last Modified

August 20, 2003

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.


Views: 8
Last Modified

February 1, 2003

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...


Views: 25
Last Modified

February 1, 2002

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...


Views: 119
Last Modified

January 1, 2002

Description

A red-sided garter snake relocation project was initiated to determine whether snakes would overwinter successfully in another occupied hibernaculum in the Stony Plain area, west of Edmonton, Alberta. A total of 1190 garter snakes were relocated to a den 9.5 km away that contained over 8500...