• Saguaro Blooms Upclose

    Saguaro

    National Park Arizona

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  • Rincon Mountain District Backcountry Closures Due to Deer Head Fire

    For the safety of hikers and campers, some trail and campground closures have been enacted. All off-trail areas within Saguaro National Park east of Douglas Spring Trail and Manning Camp Trails are also closed. More »

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.