ENDANGERED ANIMALS:

• GRIZZLY BEARS stand 3 metres, approx 10 feet high. They are the largest and most powerful of the animals living in the Yellowstone National Park.
• WAPITIS live in the forests of Yellowstone. They are larger than the red deer of Eurasia, but their behaviour is similar. Forests are their home. The males use their antlers to fight.
• SAGE GROUSE are the most spectacular of the North American grouse. When displaying, the male struts around vibrating his wings and emits a booming sound. When displaying, the male lifts his tail into a fan.
• PHOEBUS butterflies are huge butterflies on the decline. They appear in the Rockies in mid summer. Their wingspan reaches 9 cm, that is around 3.5 inches.