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    Saguaro

    National Park Arizona

Mammals

mtn lion

Mammalian species are found throughout Saguaro National Park. Mammals are characterized by their fur and the ability to nurse their young with milk from modified sweat glands called mammary glands. Mammals are warm-blooded, or endothermic. Bats, the only flying mammal, are numerous throughout the park, as are bobcats and javelina.

Did You Know?

Gila Monster

Gila monsters are one of two venomous lizards in the world. The other is the similar Mexican beaded lizard. Gila monster venom evolved as a defensive rather than offensive weapon.