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Report: Nathan Varley Print E-mail
The year began with an interesting twist on wolf recovery in Yellowstone Park. The annual census was taken and one estimate of the population size was one third less than last year. With around 100 wolves, the park’s population is still quite healthy by any standard. However, the seemingly sudden decline in numbers would be alarming if most biological indications did not suggest this would be natural. For much of the past ten years, the population has grown from a few wolves brought from Canada to several hundred. Naturally the population will peak at some high level then decline to fluctuate moderately around a lower, long-term population size. The peak occurred in about 2003 and since then the pack sizes and total number of Yellowstone wolves has declined moderately.
Norris Pack Member Print E-mail

homepage_01.jpgThe first groups of classes have started; participants involve 16 classes in two states. Welcome to all our year-one pioneering educators. All teachers should have received two files (Mr. Wolf and Directory Animal Survey). In addition these materials are included under Educational Resources.

 

Did you know?

Wolves use several vocalizations for the purpose of communication. Howls, yips, squeals, growls, chirps, and barks. The best known form of vocalization is the howl which is used for the following reasons: 1) to notify other pack members or other packs of their location, 2) to attract potential mates, 3) to rally the pack before a hunt, 4) to announce alarm at the presence of an intruder, and 5) to express distress (pups often howl when they are stressed). In general, howling is used as a means of long distance communication. For short range communication, wolves use scent marking.
Canis Lupus Print E-mail
He is Canis lupus, or Mr.Gray Wolf to other animals; he stands on top of the food chain in any territory he roams. He is careful, shy, but fears little. Scientists have estimated that the wolf's sense of smell is up to one hundred times more sensitive than a human. The sense of hearing is the next most acute of the wolf senses. Sight is perhaps the least developed of the wolf senses; however, it is every bit as good as human sight.
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