American Pika (Ochotona princeps): Native to mountainous regions of western North America, including the US.
Least Weasel (Mustela nivalis): The least weasel is the smallest carnivorous mammal in the world, found in various habitats across the US, including grasslands.
Pygmy Shrew (Sorex hoyi): The pygmy shrew is one of the smallest mammals in North America, including the US.
Western Harvest Mouse (Reithrodontomys megalotis): Found in various habitats across the western US, the western harvest.
Southern Bog Lemming: The southern bog lemming is a small, fossorial rodent found in northeastern and central parts of the US.
Kangaroo Rat (Dipodomys spp.): Kangaroo rats are small rodents found in arid regions of the western US.
Deer Mouse (Peromyscus maniculatus): The deer mouse is a common rodent found throughout the US, including forests, grasslands, and urban areas.
American Mink (Neovison vison): The American mink is a small carnivorous mammal found in wetland habitats across the US.
Western Harvest Bat (Eptesicus fuscus): The western harvest bat, also known as the big brown bat, is one of the largest bat species in North America.
American Goldfinch: The American goldfinch is one of the smallest songbirds in North America, measuring about 4 to 5 inches in length and weighing.