1 byte added ,  18:06, 1 March 2022
(Added links for invertebrates)
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There are two main groups.   
There are two main groups.   
==Vertebrates==
==Vertebrates==
* [[Anphibians]]
* [[Amphibians]]
* [[Mammalls]]
* [[Mammalls]]
* [[Reptiles]]
* [[Reptiles]]
* [[Fish]]
* [[Fish]]
* [[Birds]]
* [[Birds]]
==Invertebrates==
==Invertebrates==
* [[Arthropods]]
* [[Arthropods]]