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IV Sources
Pages 39-45

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From page 39...
... Endangered amphibian species, which are not available from commercial suppliers, are listed in Appendix A Reputable users and dealers do not undertake the use or supply of endangered species.
From page 40...
... Field studies have indicated that the hibernating frog in nature is extremely sensitive to its surroundings, adjusting repeatedly throughout the winter to changes in the environment. The two most significant environmental variables appear to be temperature range and oxygen availability, and it is not uncommon for the hibernating frog to move several hundred yards from one location in a lake or stream to another to optimize these two factors.
From page 41...
... Though dealers limit their guarantee to live arrival, reputable dealers attempt to ship under optimal circumstances to ensure healthy arrival. Do not order amphibians for delivery on Monday mornings.
From page 42...
... a. Aquatic Amphibians The aquatic animals such as axolotls, Xenopus, and tadpoles should be transferred immediately from the shipping containers to previously prepared containers.
From page 43...
... They may be handled in much the same way as the aquatic animals, i.e., they should be moved to permanent housing through a series of gradual temperature steps. To avoid confusion and damage to terrestrial anurans, the shipping box should be emptied into an enclosure such as a large plastic garbage can containing 0.15-0.25 m (6-10 in.)
From page 44...
... Alaska Hawaii JAN FED MAR APR MAY JUN Jo FIGURE 13 Amphibian closed season regulations. Hatched time spaces represent the closed seasons.
From page 45...
... The secretaries involved determine, at their discretion, the endangered species based on the best scientific and commercial data available; and after consultation with the affected states, interested persons, and organizations, the secretaries publish the endangered species list in the Federal Register. Upon the petition of an interested person, the secretaries conduct a review of any listed or unlisted species proposed to be removed or added to the list.


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