+Amniotes are a group of [Vertebrates](/wiki/vertebrate) whose embryos develop within a fluid-filled amniotic sac. This crucial adaptation allows their [Egg](/wiki/egg) to develop on land, freeing them from constant aquatic environments. This grand lineage includes all modern [Reptiles](/wiki/reptile), [Birds](/wiki/bird), and [Mammals](/wiki/mammal).
+## See also
+- [Reptile](/wiki/reptile)
+- [Bird](/wiki/bird)
+- [Mammal](/wiki/mammal)
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