In California and Arizona, several species of endangered frogs and salamanders, already facing the environmental hazards of ...
THREATS: Destruction of vegetative habitat by livestock, conversion of natural springs, pools, and wetlands to stock tanks, and introduction of exotic species to cattle stock tanks are hurting the ...
Somewhere in the background, bullfrogs began singing in unison ... called the South American Wetlands habitat, includes netting to prevent their escape. In total, the project spanning 1.3 ...