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Introduction
Classification Systems
Mammals
Birds
Amphibians and Reptiles
Freshwater Fishes
Invertebrates
Vascular Plants
Non-Vascular Plants
Plant Communities
Exotic Species
Protected Areas
Summary-Conclusions
Appendix
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Endangered Species and Spaces

5.0 Amphibians and Reptiles

Eighteen species of amphibians occur naturally in British Columbia. World-wide, amphibian populations have been in decline. Many cases are directly explicable through habitat loss caused by human activities. Many declines, however, have occurred in areas remote from humans and are not easily explained. In any case, amphibians are not usually part of our every-day consciousness; and if they are, it is often in terms of fear and loathing! Forests are cut, swamps are drained and wetlands are filled, and little attention is given to impacts on amphibian populations and diversity. Amongst amphibians, the habitat generalists such as the western toad, Bufo boreas are the most abundant and widespread. Others have very restricted ranges that require very specific environmental conditions. In British Columbia, there are 8 species of amphibians that are considered at risk and have been placed on the RED and BLUE lists. Three such species are found in the Columbia Basin (see Table 6).

It may be a generalization, but the reptilian fauna of British Columbia are probably faring as poorly as the amphibians, and for similar reasons. Reptiles are often thought of as pests and evoke strong negative emotions. Snakes, in particular seem to suffer from this reputation. Others, such as turtles and lizards, are sought after as part of the pet trade. Still others may be exploited as exotic food or for their attractive and durable leather. Of the 16 reptiles native to British Columbia, 10 species are considered at risk and currently placed on the RED and BLUE lists - 3 in the Columbia Basin (see Table 6). See also the Canadian Amphibians and Reptiles Conservation Network website at http://www.eman-rese.ca/

Amphibian Images in this section by Char Corkran, in Amphibians of Oregon, Washington, and British Columbia - A Field Identification guide. Courtesy of Char Corkran, Portland, Oregon, USA.

Charles H. Douglas illustrations of reptiles in this section from Introduction to Canadian Amphibians and Reptiles used Courtesy of the Canadian Museum of Nature, Ottawa.

Table 6: Amphibians and Reptiles at Risk in the Columbia Basin

Chapter 5: Amphibians and Reptiles

Common Name

Latin name

Global (G)
Prov. (S) Rank

Provincial Listing

AMPHIBIANS

     

Northern Leopard Frog

Ascaphus truei

G5,S1

Red

Tailed Frog

Rana pipiens

G4T?,S1

Red

Coeur d'Alene Salamander

Plethodon idahoensis

G3Q,S1

Red

REPTILES

     

Rubber Boa

Charina bottae

G5,S3S4

Blue

Painted Turtle

Chrysemys picta

G5,S3S4

Blue

Western Rattlesnake

Crotalus viridis

G5,S3

Blue

 
 
 

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