Great diversity exists within the mammal group. From koalas to deer to bats to primates to whales to cheetahs, mammals declare the glory of their Creator.
The Book of Genesis is the first book of the Bible. It was named by the Septuagint (LXX) translators because it gives an account of the origin of all things.
Snakes, lizards, alligators, and other reptiles may or may not be your favorite animals, but certainly their brilliant design draws attention to their Designer.