| Tadpoles of both Couch's spadefoot toad and the Western spadefoot toad accelerate metamorphosis in response to pond drying. |
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| The toad doesn't really need us to make him a home, both the spadefoot and Colorado river toad can excavate burrows almost three feet deep. |
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| Of all the creatures on the Carrizo, the endurance champion of the underworld is the spadefoot toad. |
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| However, Eastern spadefoot toads, which have a very short developmental period prior to metamorphosis, did not show any increase in corticosterone over an hour of confinement. |
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| Several interesting species of reptiles and amphibians are restricted in Canada to this region: the prairie rattlesnake, the eastern short-horned lizard, the plains spadefoot toad, and the great plains toad, among others. |
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| Does the Commission agree that the revival of a rail freight line in this area is inconsistent with the European Habitat Directive, under which the adder, great crested newt, common spadefoot and crane are protected? |
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| Tadpoles of spadefoot toads, genus Scaphiopus, develop in temporary rain pools in arid parts of North America, where it is imperative for the tadpoles to complete their development before the pools dry up. |
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| Up in the swales, below the ridges to the west, Stafford said, were spadefoot toads and fairy shrimps — like sea monkeys, but endangered — which appeared in the vernal pools if and when the rains came. |
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| Stephen F. Downs, the lawyer for Save the Pine Bush, the Albany group that brought the suit, said someone on the bench seemed to be paying for an environmental victory with a defeat for the spadefoot toad. |
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| Spadefoot toads are desert-dwelling amphibians that breed opportunistically in short lived pools filled by periodic rainfall. |
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| Spadefoot toad tadpoles and other species that develop in ephemeral pools have evolved traits that allow for successful development in an unpredictable environment. |
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