I remember stories back in
2002 about smart bears around Marcy Dam. At the time, there was a steel cable strung across the river below the dam. It was a good 20' off the riverbed, and mama bear would send baby bear shinnying out along the cable to bite through the rope holding your bear bag or chew through the bag if you had clipped a 'biner to the cable.
We camped farther up the trail, just below the 4,000' no-camping zone, and nobody bothered my Garcia bear can that year.
Let's just hope "Yellow-Yellow" doesn't hop a bus out to the Sierra and start training the bears out there!
Come to think of it, my buddy who used to live in the Bay Area told a story about a trip in the mid-70s from Tuolomne Meadows down to Yosemite Valley. He had strung his bear bag way up from three different trees. Heard something in the middle of the night and stuck his head out of the tent. Shone his flashlight out and saw a black bear standing under the bear bag trying (unsuccessfully) to reach it. Then my buddy made the mistake of checking his ropes. Bear followed the flashlight beam to tree[1], tree[2] and tree[3], said "thanks" and proceeded to walk over and chew through all three ropes to drop the bag. My buddy said it was a hungry hike down to the Valley...
