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Sabino Canyon Volunteer Naturalists

Experience is the best teacher

  • Log In
  • Home
  • What We Do
    • Conservation
    • School Programs
    • The Canyon Classroom
    • Walks, Hikes, and Demos
  • Canyon Life
    • Insects
    • Birds
    • Fish, Amphibians & Reptiles
    • Mammals
    • Plants
  • Calendar
  • Become a Naturalist
  • Contact Us

Mammals

Mammals are a clade of endothermic amniotes distinguished from the reptiles and the birds by the possession of hair, three middle ear bones, mammary glands in females, and a neocortex (a region of the brain). The mammalian brain regulates body temperature and the circulatory system, including the four-chambered heart. The mammals include the largest animals on the planet. The basic body type is a four-legged land-borne animal, but some mammals are adapted for life at sea, in the air, in the trees, or on two legs. The largest group of mammals have a placenta which feeds the offspring during pregnancy. Mammals range in size from the 1.2" – 1.6" bumblebee bat to the 108' blue whale.

The word “mammal” is modern, from the scientific name Mammalia coined by Carl Linnaeus in 1758, derived from the Latin mamma (“teat, pap”). All female mammals nurse their young with milk, which is secreted from special glands, the mammary glands. Except for the five species of monotremes (egg-laying mammals), all modern mammals give birth to live young.

  • Wikipedia Mammals page

Click or tap on any photo to learn more.

Gray Fox 2

Gray Fox

Black-Tailed Jack Rabbit

Black-Tailed Jackrabbit

Botta's Pocket Gopher

Botta’s Pocket Gopher

Lesser Long-Nosed Bat 1

Lesser Long-Nosed Bat

White-Tailed Deer

White-Tailed Deer

Photo of Harris' Antelope Squirrel sitting on a rock

Harris’ Antelope Squirrel

White-Throated Wood Rat (Pack Rat) sitting on twigs

White Throated Wood Rat (Pack Rat)

Picture of a Mountain near a creek

Mountain Lion aka Puma, Cougar

Photo of Javelina near Sabino Canyon

Javelina

Coati walking towards the camera

Coati

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Sabino Canyon Volunteer Naturalists
5700 N Sabino Canyon Road
Tucson, AZ 85750

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