Many accounts are incomplete although new information is being added continuously.
Errors do occur. Users are cautioned to refer back to the original cited source to assess completeness and correctness before using the information. Web updates are intermittent, not continuous, therefore some dynamic information such as legal status may not be absolutely current. Much habitat in California and Baja California and in portions of Yuma Desert has been converted to these uses. Substantial habitat may have been lost with the filling of the Salton Sea early in this century.