A female Karner blue on a flower.

Karner Blue Butterfly

Karner blue larvae have a symbiotic relationship with ants. Ants collect a sugary secretion from Karner blue larvae and in return, tend to the larvae and protect them from predation.

A pair of elk, one with antlers, stand in an open meadow with sparse thin trees.

North American Elk

At one time, elk were the most widely distributed member of the deer family in North America, found from the Atlantic to the Pacific coasts, and from Mexico to northern Alberta, once numbering 10 million individuals. In the early 1900s they numbered just 100,000.

A small herd of pronghorn antelope in a grassy plain.

Pronghorn Antelope

Female Pronghorns usually give birth to twins, with young females often giving birth to a single fawn. Pronghorn can reach speeds of 50 mph/80.5 kph and are North America’s fastest mammal.

An adult mule deer stands in tall grasses in front of trees.

Mule Deer

When alarmed, mule deer bound away with four feet hitting the ground together at each bound. This is called “slotting” and is different from white-tailed deer who spring from hind to front feet.

Monarch Butterfly perched on a milkweed flower.

Monarch Butterfly

The monarch’s bright coloring warns predators not to eat it. Their toxins come from milkweed plants, which are the only food source for the caterpillars. While animals that eat a monarch butterfly usually do not die, they will get sick enough to avoid monarchs in the future.

Brewer's sparrow perched on sagebrush

Brewer’s Sparrow

Brewer’s sparrows are highly adapted to dry environments year-round and can go weeks without drinking water.