The smallest bird in the grouse family, the white-tailed ptarmigan is also one of the few animals that lives on alpine mountaintops throughout its entire life. Every part of this ptarmigan is adapted ...
DESCRIPTION: Adult white-tailed ptarmigan typically grow to 30 to 34 centimeters in length and weigh 345 to 425 grams. The bird is distinguishable from other species of grouse by its perpetually white ...