Collared Pika
Pika are the high country's barometers. They evolved for a cold environment, and a simple rise of a degree in average temperature stresses them. Stress for a Pika means death. Given that, they are in trouble in the Rocky Mountains.
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This Pika was whistling a warning signal; a loose dog made a sudden appearance at the edge of the rock field this fellow, and a number of other Pikas, called home. Pika do not whistle a warning for Weasels. None of them want to call the predator to them!
AlaskaHatchers PassMossPikaMammalRodentCollared PikaOchotona collarisRock RabbitWhistling HareConeyLittle Chief HareAugustWhistle
