Category: Nature/Gardening/Animals
(Natural history series) 1. Natural history—Montana—Glacier National Park. 2. Glacier National Park. I. Title. II. Series: Natural history series (Washington, D.C.) OH105 M9B43 500.9′786′52 78-606071
Meadows and rock slides break the forest as the trail gains elevation and distance through the valley. The spruce and fir thin out rapidly at the valley head, the trail climbing...
4. Part 4Elevation exerts an additional restriction on the distribution of tree species. Since climatic conditions vary with change in elevation—lower temperatures resulting in shorter g...
7. Part 7A surprising number of insects live on the stream bottom, finding a measure of protection from the current in the jumble of rocks. Underwater beetles live under the gravel or am...
5. Part 5To escape extermination, each species must in some manner foil its enemies. Protective coloration is one of the more common adaptations helping to do this. Most animals resemble...
1. Part 1(Natural history series) 1. Natural history—Montana—Glacier National Park. 2. Glacier National Park. I. Title. II. Series: Natural history series (Washington, D.C.) OH105 M9B43...
2. Part 2Reaching the mountain wall, the goats scramble upward to a ledge, sending scree streams pouring from several clefts. Encountering a narrow, steep snowbank, they do not hesitate...
8. Part 8Family _Cyprinidae_ (minnows and carps) Longnose Dace, _Rhinichthys cataractae_ (N) (2, 3, 4, 5, 6, 7, 8) Northern Pearl Dace, _Margariscus margarita_ (N) (3, 5) Redside Shiner,...
3. Part 3■ It is easy to see only pieces in the natural puzzle—a badger throwing dirt, horned larks dipping into wind, black ants dragging the rosette of a dead spider—and be satisfied w...