American pika

An American pika looks rather like a rounded, short-eared rabbit fitted for a rock pile. It has rounded ears, short legs and no conspicuous tail, with a coat that blends into gray and brown talus. A sharp, high call may reveal it before movement does. Despite its small size and mouse-like outline, it belongs with rabbits and hares rather than rodents. Watch from a trail near rocky habitat instead of climbing through the loose stones to find the caller.

Pikas use the spaces within talus for shelter and gather nearby plants for food. In summer they collect vegetation into caches often called haypiles, storing part of the growing season for winter. They do not hibernate: an insulating snow cover and food stored among the rocks help sustain them while the surface landscape is frozen. A bundle of stems being carried across a boulder is therefore part of an important seasonal routine, not material to collect or rearrange.

In Utah, pikas occur in high mountain country, with habitat separated by much warmer valleys. Their relationship with temperature is not as simple as preferring snow to sunshine. Heat can limit activity, while changes in snowpack and vegetation can affect shelter and food. Utah research and monitoring have examined these questions, but conditions differ among mountain ranges and rock fields. One quiet visit, or a single unoccupied-looking patch of talus, cannot establish whether a local population has disappeared.

Rounded ears, compact body, inconspicuous tail and sharp call among talus; a rabbit relative.

Pikas depend on cool rocky habitat and winter snow cover, and researchers monitor how a changing climate affects them.

Stay on durable established routes, never disturb haypiles and keep dogs from pursuing animals into talus.