Canyon Wren
The canyon wren is a small grayish-brown bird found throughout Grand Canyon National Park. It is easily identified by its loud, melodious song, heard during the day from rocky ledges and canyon walls. Despite its name, the canyon wren can also be found in lowland woodlands. This species feeds on insects and other invertebrates which it finds in rocky crevices or by digging through leaf litter on the ground. They build their nests in cavities, usually rock crevices, and are highly territorial.
Belted Kingfisher
The belted kingfisher is a large, colorful bird found along the Colorado River in Grand Canyon National Park. This species feeds on small fish and other aquatic creatures which it catches by diving from high perches. It has a loud, raspy call that can be heard echoing through the canyon walls. The males are identified by their white chest and blue-gray back, while the females have a brownish chest and gray backs.

Bison
The largest land mammal in the United States, bison are also found at Grand Canyon National Park. After nearly being hunted to extinction in the late 1800s, herds of bison have been reintroduced into remote areas of the park and can be seen grazing on grasslands near the canyon's rim. Bison are powerful animals with shaggy brown fur and horns that can reach up to two feet in length.
Javelina
Javelina, also known as a collared peccary or musk hog, are often called reds when young due to their fur color at that stage. Although they share some similarities with pigs, javelinas are actually a separate species of hoofed mammals. These animals trace their lineage back to ancestors who migrated from Asia to Central and South America, crossing over the Bering land bridge. Keep an eye out for javelinas on the South Rim of Grand Canyon National Park.