The following tables should not be considered a definitive list of the vertebrate species occurring on the INL. Although all of the abundant and common species should be included, some of the less commonly occurring species may have been missed. Not all habitats on the INL have been surveyed with the same intensity. Therefore, the number of vertebrate species observed on the INL is likely to increase as field efforts in some of the lesser studied habitats intensify.
Definition of terms used for seasonal used categories are:
Definition of terms used for abundance on the INL are:
Vertebrates were classified according to the following habitats:
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